(8 Weeks = 40 School Days)

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1 (8 Weeks = 40 School Days)

2 Miami-Dade County Public Schools The School Board of Miami-Dade County, FL Mr. Agustin J. Barrera, Chair Ms. Perla Tabares Hantman, Vice Chair Mr. Renier Diaz de la Portilla Ms. Evelyn Langlieb Greer Dr. Wilbert Tee Holloway Dr. Martin Karp Ms. Ana Rivas Logan Dr. Marta Pérez Dr. Solomon C. Stinson Mr. Adam Wexelbaum Student Advisor Dr. Rudolph F. Crew Superintendent of Schools Mr. Freddie Woodson, Associate Superintendent School Operations Mr. George A. Núñez, Regional Superintendent Regional Center III

3 Teacher Countdown Week 1 Period 1) MA.A The number of seats in four football stadiums is shown in the table below. 3) MA.C The figure below represents a top view of John s patio. What is the value of x? Stadium Seats Stadium Number of Seats Anchors 4 x 10 3 Barnabal 4 x 10 4 Carver 5 x 10 4 Daton 6 x 10 3 Answer: Which stadium has the greatest number of seats? A. Anchors C. Carver B. Barnabal D. Daton 2) MA.B The diameter of Darren s new roll of painters tape was 6 inches. After Darren used some of the tape, the diameter of the roll had decreased by ½ inch. What is the circumference of the roll of tape after this decrease? 4) MA.D Participants in an exercise program gradually increase the amount of time they exercise. The first week, they exercise 20 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising 45 minutes per day. In what week of this program should participants begin exercising 45 minutes per day? F. Week 2 H. Week 4 G. Week 3 I. Week 5 5) MA.E The diagram shows the number of students who studied on various days for a test. How many students studied for exactly two days on the test? Day - 1 -

4 Teacher Countdown Week 1 Period 1) MA.A The number of seats in four football stadiums is shown in the table below. 3) MA.C The figure below represents a top view of John s patio. What is the value of x? Stadium Seats Stadium Number of Seats Anchors 3 x 10 5 Barnabal 5 x 10 4 Carver 6 x 10 4 Daton 8 x 10 3 Answer: Which stadium has the greatest number of seats? A. Anchors C. Carver B. Barnabal D. Daton 2) MA.B The diameter of Darren s new roll of painters tape was 6 inches. After Darren used some of the tape, the diameter of the roll had decreased by 1½ inches. What is the circumference of the roll of tape after this decrease? 4) MA.D Participants in an exercise program gradually increase the amount of time they exercise. The first week, they exercise 10 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising at least 30 minutes or more per day. In what week of this program should participants begin exercising at least 30 or more minutes per day? F. Week 2 H. Week 4 G. Week 3 I. Week 5 5) MA.E The diagram shows the number of students who studied on various days for a test. Day How many students studied for exactly three days on the test?

5 Teacher Countdown Week 1 Period 1) MA.A The number of seats in four football stadiums is shown in the table below. 3) MA.C The figure below represents a top view of John s patio. What is the value of x? Stadium Seats Stadium Number of Seats Anchors 4.5 x 10 6 Barnabal 4.4 x 10 5 Carver 5.4 x 10 4 Daton 7 x 10 5 Which stadium has the greatest number of seats? A. Anchors C. Carver B. Barnabal D. Daton 2) MA.B The diameter of Darren s new roll of painters tape was 6 inches. After Darren used some of the tape, the diameter of the roll had decreased by 2¼ inches. What is the circumference of the roll of tape after this decrease? (Round to the nearest hundredth). Answer: 4) MA.D Participants in an exercise program gradually increase the amount of time they exercise. The first week, they exercise 20 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising 50 minutes per day. In what week of this program should participants begin exercising 50 minutes per day? F. Week 2 H. Week 4 G. Week 3 I. Week 5 5) MA.E The diagram shows the number of students who studied on various days for a test. How many students studied for exactly two days on the test? Day - 3 -

6 Teacher Countdown Week 1 Period 1) MA.A The number of seats in four football stadiums is shown in the table below. Stadium Seats 3) MA.C The figure below represents a top view of John s patio. What is the value of x? Stadium Number of Seats Anchors 2 x 10 7 Barnabal 7.5 x 10 6 Carver 7.7 x 10 5 Daton 8 x 10 5 Which stadium has the least number of seats? A. Anchors C. Carver B. Barnabal D. Daton 2) MA.B The diameter of Darren s new roll of painters tape was 5 inches. After Darren used some of the tape, the diameter of the roll had decreased by 1 ¾ inches. What is the circumference of the roll of tape after this decrease? (Round to the nearest hundredth). Answer: 4) MA.D Participants in an exercise program gradually increase the amount of time they exercise. The first week, they exercise 30 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising 65 minutes per day. In what week of this program should participants begin exercising 65 minutes per day? F. Week 2 H. Week 4 G. Week 3 I. Week 5 5) MA.E The diagram shows the number of students who studied on various days for a test. Day How many students studied for exactly one day on the test?

7 Teacher Countdown Week 1 Period 1) MA.A The number of seats in four football stadiums is shown in the table below. Stadium Seats Stadium Number of Seats Anchors 4 x 10 5 Barnabal 4 x ) MA.C The figure below represents a top view of John s patio. What is the value of x? Carver 5 x 10 4 Daton 6 x 10 5 Which stadium has the second greatest number of seats? A. Anchors C. Carver B. Barnabal D. Daton 2) MA.B The diameter of Darren s new roll of painters tape was 5 inches. After Darren used some of the tape, the diameter of the roll had decreased by 1 ½ inches. What is the circumference of the roll of tape after this decrease? (Round to the nearest hundredth). Answer: 4) MA.D Participants in an exercise program gradually increase the amount of time they exercise. The first week, they exercise 30 minutes per day. Each week after that, they increase their exercise time by 50%, until they are exercising 75 minutes per day. In what week of this program should participants begin exercising 75 minutes per day? F. Week 2 H. Week 4 G. Week 3 I. Week 5 5) MA.E The diagram shows the number of students who studied on various days for a test. Day How many students studied for exactly two or more days on the test?

8 Teacher Countdown Week 1 Period Answer Key DAY 1 DAY 2 DAY 3 DAY 4 DAY 5 1 C A A C D G H H G H Day - 6 -

9 Teacher Countdown Week 2 Period 1) MA.A The Triassic Period of geological history occurred between 208 million and 245 million years ago. What is 245 million written in scientific notation? A x 10-8 C x 10 8 B x 10-5 D x ) MA.B Wayne designed the table shown below for an X-ray room. He wants to cover the shaded rectangular surfaces of the table, marked A, B, and C, with a sheet of soft foam padding. 4) MA.D At 6:00 a.m., a pump began filling an oil tank shaped like a rectangular prism, at a constant rate of 10 gallons per minute. The table below shows the depth of the oil in the tank at different times during filling. Oil in Tank Time Depth (in inches) 7:10 a.m. 1 9:30 a.m. 3 11:50 a.m. 5 2:10 p.m. 7 Assuming the same rate of filling, what was the depth, in inches, of the oil in the tank at 6:50 p.m. that same day? Answer: 5) MA.E Tanesha was a finalist for the regional spelling bee. The graph shows the number of new words she practiced spelling each day before the contest. What is the total area of the 3 rectangular surfaces to be covered with foam padding? Answer: 3) MA.C Rhonda made her neighbor a greeting card like the one shown below. Can you name the days in which Tanesha practiced a specific number of new words and then doubled them on a day shortly after? What shape appears to be formed by the outline of the card? Answer:, Answer: Day - 6 -

10 Teacher Countdown Week 2 Period 1) MA.A The Jurassic Period of geological history occurred between 144 million and 206 million years ago. What is 206 million written in scientific notation? A x 10-8 C x 10 5 B x 10-5 D x ) MA.B Wayne designed the table shown below for an X-ray room. He wants to cover the shaded rectangular surfaces of the table, marked A, B, and C, with a sheet of soft foam padding. 4) MA.D At 6:00 a.m., a pump began filling an oil tank shaped like a rectangular prism, at a constant rate of 10 gallons per minute. The table below shows the depth of the oil in the tank at different times during filling. Oil in Tank Time Depth (in inches) 7:10 a.m. 2 9:20 a.m. 4 11:30 a.m. 6 1:40 p.m. 8 Assuming the same rate of filling, what was the depth, in inches, of the oil in the tank at 6:00 p.m. that same day? Answer: What is the total area of the 3 rectangular surfaces to be covered with foam padding? 5) MA.E Tanesha was a finalist for the regional spelling bee. The graph shows the number of new words she practiced spelling each day before the contest. Answer: 3) MA.C Rhonda drew a polygon on her paper during her art class. What shape is the polygon? Answer: What was the mode for the number of new words practiced in the graph above? Answer: Day - 7 -

11 Teacher Countdown Week 2 Period MA.A The Cretaceous Period of geological history occurred between 65 million and 144 million years ago. What is 65 million written in scientific notation? A. 6.5 x 10-7 B. 65 x 10 8 C. 6.5 x 10-8 D. 6.5 x 10 7 MA.B Wayne designed the table shown below for an X-ray room. He wants to cover the shaded rectangular surfaces of the table, marked A, B, and C, with a sheet of soft foam padding. MA.D At 6:00 a.m., a pump began filling an oil tank shaped like a rectangular prism, at a constant rate of 10 gallons per minute. The table below shows the depth of the oil in the tank at different times during filling. Oil in Tank Time Depth (in inches) 7:15 a.m. 1 9:30 a.m. 4 11:45 a.m. 7 2:00 p.m. 10 Assuming the same rate of filling, what was the depth, in inches, of the oil in the tank at 6:30 p.m. that same day? MA.E Tanesha was a finalist for the regional spelling bee. The graph shows the number of new words she practiced spelling each day before the contest. What is the total area of the 3 rectangular surfaces to be covered with foam padding? Answer: MA.C Rhonda drew a polygon on her paper during her art class. On Sunday, the 7 th day, Tanesha practiced more words. If the mean for the number of words practiced during those 7 days was 8, how many words did Tanesha practice on Sunday? What shape is the polygon? Answer: Answer: Day - 8 -

12 Teacher Countdown Week 2 Period 1) MA.A The Permian Period of geological history occurred between 248 million and 290 million years ago. What is 290 million written in scientific notation? A. 2.9 x 10 8 B. 290 x 10-6 C. 2.9 x 10 6 D. 2.9 x ) MA.B Wayne designed the table shown below for an X-ray room. He wants to cover the shaded rectangular surfaces of the table, marked A, B, and C, with a sheet of soft foam padding. 4) MA.D At 6:00 a.m., a pump began filling an oil tank shaped like a rectangular prism, at a constant rate of 10 gallons per minute. The table below shows the depth of the oil in the tank at different times during filling. Oil in Tank Time Depth (in inches) 7:15 a.m. 3 9:00 a.m. 6 10:45 a.m. 9 12:30 p.m. 12 Assuming the same rate of filling, what was the depth, in inches, of the oil in the tank at 7:30 p.m. that same day? 5) MA.E Tanesha was a finalist for the regional spelling bee. The graph shows the number of new words she practiced spelling each day before the contest. What is the total area of the 3 rectangular surfaces to be covered with foam padding? Answer: 3) MA.C Rhonda drew a polygon on her paper during her art class. Which statement is supported by the graph? F. Tanesha practiced twice as many new words on Saturday as on Friday. G. Tanesha practiced 5 times as many new words on Wednesday as on Monday. What shape is the polygon? Answer: H. Beginning on Tuesday, Tanesha practiced more new words each day than on the previous day. I. On Thursday, Tanesha practiced a greater number of new words than on Tuesday and Wednesday combined. Day - 9 -

13 Teacher Countdown Week 2 Period 1) MA.A The Carboniferous Period of geological history occurred between 290 million and 354 million years ago. What is 354 million written in scientific notation? A x 10 8 C x 10 5 B x 10-8 D x ) MA.B Wayne designed the table shown below for an X-ray room. He wants to cover the shaded rectangular surfaces of the table, marked A, B, and C, with a sheet of soft foam padding. 4) MA.D At 6:00 a.m., a pump began filling an oil tank shaped like a rectangular prism, at a constant rate of 10 gallons per minute. The table below shows the depth of the oil in the tank at different times during filling. Oil in Tank Time Depth (in inches) 7:30 a.m. 3 9:35 a.m. 7 11:40 a.m. 11 1:45 p.m. 15 Assuming the same rate of filling, what was the depth, in inches, of the oil in the tank at 5:55 p.m. that same day? What is the total area of the 3 rectangular surfaces to be covered with foam padding? 5) MA.E Tanesha was a finalist for the regional spelling bee. The graph shows the number of new words she practiced spelling each day before the contest. Answer: 3) MA.C Rhonda drew a polygon on her paper during her art class. What shape is the polygon? What is the range for the number of new words Tanesha practiced from Monday through Saturday? Answer: Answer: Day

14 Teacher Countdown Week 2 Period Answer Key DAY 6 DAY 7 DAY 8 DAY 9 DAY 10 1 C D D A A SQ FT 36 SQ FT 24.5 SQ FT 50 SQ FT SQ FT 3 hexagon heptagon hexagon nonagon octagon 4 11 inches 12 inches 16 inches 21 inches 23 inches 5 Tues, Thurs 10 7 G 12 Day

15 Teacher Countdown Week 3 Period 1) MA.A Scientists believe that the temperature at the core of Earth is 7.2 x 10 3 degrees Fahrenheit. What is this temperature in standard notation? 4) MA.D A large city in Texas hosts a stock show and rodeo each year. One of the events held is a cowboy-style breakfast. The constant relationship between n, the number of people served at the breakfast, and e, the number of eggs used, is shown in the table below. n How many people were served if 525 eggs were used? e ? 525 2) MA.B The rectangular whiteboard in the mathematics classroom is 2 times as long as it is wide. The area of the whiteboard is 32 square feet. What is the width, in feet, of the whiteboard? Answer: 5) MA.E The graph below displays data on the carbon dioxide emission in four countries from 1950 to Answer: 3) MA.C The figure below represents a right square pyramid crystal in Joseph s collection. Which best describes all the faces of the pyramid? Which statement is supported by the graph? A. Japan produced about half as much carbon dioxide as Russia. A. 1 square and 4 equilateral triangles B. 1 square and 3 equilateral triangles C. 1 square and 4 isosceles triangles D. 1 square and 3 isosceles triangles Day -11 B. China produced about 3 times more carbon dioxide than Japan. C. Russia produced 50 billion tons more carbon dioxide than Japan. D. The USA produced twice as much carbon dioxide as China and Russia combined.

16 Teacher Countdown Week 3 Period 1) MA.A Scientists believe that the temperature at the core of Earth is 8.14 x 10 3 degrees Fahrenheit. What is this temperature in standard notation? 4) MA.D A large city in Texas hosts a stock show and rodeo each year. One of the events held is a cowboy-style breakfast. The constant relationship between n, the number of people served at the breakfast, and e, the number of eggs used, is shown in the table below. n How many people were served if 128 eggs were used? e ? 128 2) MA.B The rectangular whiteboard in the mathematics classroom is 2 times as long as it is wide. The area of the whiteboard is 50 square feet. What is the width, in feet, of the whiteboard? Answer: 5) MA.E The graph below displays data on the carbon dioxide emission in four countries from 1950 to Answer: 3) MA.C The figure below represents a triangular pyramid crystal in Joseph s collection. Which best describes all the faces of the pyramid? Which statement is supported by the graph? A. Japan produced about half as much carbon dioxide as China. A. 1 triangle and 4 equilateral triangles B. 1 triangle and 3 equilateral triangles C. 1 triangle and 4 isosceles triangles D. 1 triangle and 3 isosceles triangles Day -12 B. China produced about 3 times more carbon dioxide than Japan. C. Russia produced 50 billion tons more carbon dioxide than Japan. D. The USA produced more carbon dioxide emissions than China, Japan, and Russia combined.

17 Teacher Countdown Week 3 Period 1) MA.A Scientists discovered a new planet called HD b, It is a scorching 3.7 x 10 3 degrees Fahrenheit, three times hotter than Mercury, and hotter than the coolest stars. What is this temperature in standard notation? 4) MA.D A large city in Texas hosts a stock show and rodeo each year. One of the events held is a cowboy-style breakfast. The constant relationship between n, the number of people served at the breakfast, and e, the number of eggs used, is shown in the table below. n How many people were served if 180 eggs were used? Answer: e ? 180 2) MA.B The rectangular whiteboard in the mathematics classroom is 2 times as long as it is wide. The area of the whiteboard is 18 square feet. What is the width, in feet, of the whiteboard? 5) MA.E The graph below displays data on the carbon dioxide emission in four countries from 1950 to Answer: 3) MA.C The figure below represents a triangular prism crystal in Joseph s collection. Which best describes all the faces of the prism? Which statement is supported by the graph? A. Japan produced about half as much carbon dioxide as Russia. A. 1 triangle and 4 equilateral triangles B. 2 triangles and 3 equilateral triangles C. 2 triangles and 3 rectangles D. 2 triangles and 4 rectangles Day -13 B. China produced about half as much carbon dioxide as Russia. C. Russia produced 50 billion tons more carbon dioxide than Japan. D. The USA produced twice as much carbon dioxide as China and Russia combined.

18 Teacher Countdown Week 3 Period 1) MA.A One of the hottest planets in our solar system is Mercury. The temperature on Mercury can reach 6.6 x 10 2 degrees Fahrenheit. What is this temperature in standard notation? 4) MA.D A large city in Texas hosts a stock show and rodeo each year. One of the events held is a cowboy-style breakfast. The constant relationship between n, the number of people served at the breakfast, and e, the number of eggs used, is shown in the table below. n How many people were served if 600 eggs were used? Answer: e ? 600 2) MA.B The rectangular field near the basketball court is 2 times as long as it is wide. The area of the field is 72 square feet. What is the width, in feet, of the field? 5) MA.E The graph below displays data on the carbon dioxide emission in four countries from 1950 to 200 Answer: 3) MA.C The figure below represents a pentagonal prism crystal in Joseph s collection. Which best describes all the faces of the prism? Which statement is supported by the graph? A. Japan produced about one quarter as much carbon dioxide as Russia. A. 1 pentagon and 5 regular pentagons B. 1 pentagon and 4 regular pentagons C. 2 pentagons and 4 rectangles D. 2 pentagons and 5 rectangles B. China produced about 3 times more carbon dioxide than Japan. C. Russia produced 50 billion tons more carbon dioxide than Japan. D. The USA produced half as much carbon dioxide as China and Russia combined. Day -14

19 Teacher Countdown Week 3 Period 1) MA.A The surface of the Sun, or photosphere has a temperature of nearly 1.1 x 10 4 degrees Fahrenheit. What is this temperature in standard notation? 4) MA.D A large city in Texas hosts a stock show and rodeo each year. One of the events held is a cowboy-style breakfast. The constant relationship between n, the number of people served at the breakfast, and e, the number of eggs used, is shown in the table below. n How many people were served if 1272 eggs were used? e ? 1272 Answer: 2) MA.B The rectangular field near the basketball court is 2 times as long as it is wide. The area of the field is 98 square feet. What is the width, in feet, of the field? 5) MA.E The graph below displays data on the carbon dioxide emission in four countries from 1950 to Answer: 3) MA.C The figure below represents a hexagonal prism crystal in Joseph s collection. Which best describes all the faces of the prism? Which statement is supported by the graph? A. Japan produced about half as much carbon dioxide as Russia. A. 1 hexagon and 4 rectangles B. 1 hexagon and 6 rectangles C. 2 hexagons and 6 rectangles D. 2 hexagons and 6 regular hexagons B. China produced about half as much carbon dioxide as the U.S.A. C. Russia produced 50 billion tons more carbon dioxide than Japan. D. The USA produced twice as much carbon dioxide as China and Japan combined. Day -15

20 Teacher Countdown Week 3 Period Answer Key DAY 11 DAY 12 DAY 13 DAY 14 DAY , C B C D C A D B A B Day -16

21 Teacher Countdown Week 4 Period 1) MA.A Which number, when multiplied by 2 1, gives a product between 2 1 and 1? 4) MA.D For each pizza delivery Liz makes, she is paid $1.00 for gas, plus 15% of the cost of the order. If x equals the order cost which of these expressions could be used to represent the amount of money Liz is paid for one delivery? A B. 2 1 C. 4 1 D. 0 A. 0.15x 1 B. 0.15x + 1 C x 2) MA.B The average speed of a high-speed train in Japan is 162 miles per hour. At this rate, how many miles would a highspeed train travel in 45 minutes? 3) MA.C Which drawing best represents a reflection over the vertical line segment in the center of the rectangle? D (x + 1) 5) MA.E ABC Toys monitored the number of orders received per day from its website. The number of orders received on 8 different business days last year was recorded in the table below. Date Number of Orders January February April June July August September November What was the median number of orders received on those dates? Answer: Day -16

22 Teacher Countdown Week 4 Period 1) MA.A Which number, when multiplied by 4 1, gives a product between 2 1 and 1? 4) MA.D For each pizza delivery Liz makes, she is paid $1.00 for gas, plus 17% of the cost of the order. If x equals the order cost which of these expressions could be used to represent the amount of money Liz is paid for one delivery? A B C D. 2 1 A x B. 0.17x 1 C. 0.17x + 1 2) MA.B The average speed of a high-speed train in Japan is 174 miles per hour. At this rate, how many miles would a highspeed train travel in 50 minutes? 3) MA.C A square grid is rotated 90º clockwise to get from Step 1 to Step 2 as shown below. The rotations continue in the same manner for Steps 3, 4, 5, and 6. D (x + 1) 5) MA.E ABC Toys monitored the number of orders received per day from its website. The number of orders received on 8 different business days last year was recorded in the table below. Date Number of Orders January February April June July August September November What was the median number of orders received on those dates? Which shows the square grid after Step 6? Answer: Day -17

23 Teacher Countdown Week 4 Period 1) MA.A Which number, when multiplied by 4 3, gives a product between 2 1 and 1? 4) MA.D For each pizza delivery Liz makes, she is paid $2.00 for gas, plus 18% of the cost of the order. If x equals the order cost which of these expressions could be used to represent the amount of money Liz is paid for one delivery? A B. 2 1 C. 4 3 D. 4 1 A (x + 2) B x C. 0.18x 2 2) MA.B The average speed of a high-speed train in Japan is 156 miles per hour. At this rate, how many miles would a highspeed train travel in 40 minutes? 3) MA.C The triangle below will be rotated 90 degrees counterclockwise about Point A. D. 0.18x + 2 5) MA.E ABC Toys monitored the number of orders received per day from its website. The number of orders received on 8 different business days last year was recorded in the table below. Date Number of Orders January February April June July August September November What was the median number of orders received on those dates? Answer: Which ordered pair BEST represents the new coordinates of Point C? F. (3, 2) H. (1, 4) G. (2, 4) I. (6, 8) Day -18

24 Teacher Countdown Week 4 Period 1) MA.A Which number, when multiplied by 1 2 1, gives a product between 1 and 1 2 1? 4) MA.D For each pizza delivery Liz makes, she is paid $3.00 for gas, plus 20% of the cost of the order. If x equals the order cost which of these expressions could be used to represent the amount of money Liz is paid for one delivery? A C. 4 1 A (x + 3) C x B ) MA.B D. 4 3 The average speed of a high-speed train in Japan is 192 miles per hour. At this rate, how many miles would a highspeed train travel in 55 minutes? Answer: 3) MA.C The graph below shows figure FHJKL. B. 0.20x + 3 D. 0.20x 3 5) MA.E ABC Toys monitored the number of orders received per day from its website. The number of orders received on 8 different business days last year was recorded in the table below. Date Number of Orders January February April June July August September November What was the median number of orders received on those dates? Answer: Which figure represents only a translation of FHJKL? Day -19

25 Teacher Countdown Week 4 Period 1) MA.A Which number, when multiplied by 1 4 1, gives a product between and 2? G. (5, -5) I. (6, -1) 4) MA.D For each pizza delivery Liz makes, she is paid $4.00 for gas, plus 10% of the cost of the order. If x equals the order cost which of these expressions could be used to represent the amount of money Liz is paid for one delivery? A B A. 0.10x + 4 C. 4 B. 0.10x 4 3 D. C (x + 4) 4 2) MA.B The average speed of a high-speed train in Japan is 168 miles per hour. At this rate, how many miles would a high-speed train travel in 48 minutes? Answer: 3) MA.C Triangle ABC on the grid below is a right triangle. D x 5) MA.E ABC Toys monitored the number of orders received per day from its website. The number of orders received on 8 different business days last year was recorded in the table below. Date Number of Orders January February April June July August September November What was the median number of orders received on those dates? Answer: If is rotated 90 degrees clockwise about Point C, which coordinate pair describes a point that will be in the interior of the rotated triangle? F. (1, -3) H. (3, 1) Day -20

26 Teacher Countdown Week 4 Period Answer Key DAY 16 DAY 17 DAY 18 DAY 19 DAY 20 1 A B C D A H F H F F 4 B C D B A Day -21

27 Teacher Countdown Week 5 Period 1) MA.A What is the value of the expression 2(3 3-6) + 2? A. 2 C. 44 B. 8 D. 46 2) MA.B In the homecoming parade, the rectangular floor of the Lincoln Middle School float measured 12 feet by 9 feet. Before work began on the float, the student decorating committee constructed a model of the float. The rectangular floor of the model was 3 1 as long and 1 as wide as the floor of 3 the actual float. What was the area, in square feet, of the rectangular floor of the model that the students constructed? 3) MA.C Jim rotated a game piece 270 clockwise around vertex V to see if he could use it for his next move. Which represents the position of the game piece after the 270 clockwise rotation? 4) MA.D The table shows a relationship between x and y. x y Which equation is true for each of the ordered pairs in the table? A. y = 3x + 2 C. y = 3.5x + 2 B. y = 2.5x + 6 D. y = 3x + 6 5) MA.E Some of the world s longest snakes and their greatest measured lengths are shown on the table. Greatest Length Snake Measured (in meters) African python 9 Anaconda 9 Black mamba 4.3 Boa constrictor 6 Indian python 6.5 Indigo snake 2.6 King cobra 5.6 Reticulated python 9 What is the range, in meters, of the lengths? Answer: Day -21

28 Teacher Countdown Week 5 Period 1) MA.A What is the value of the expression 3(2 3-5) + 2? A. 5 C. 15 B. 11 D. 21 2) MA.B In the homecoming parade, the rectangular floor of the Lincoln Middle School float measured 21 feet by 15 feet. Before work began on the float, the student decorating committee constructed a model of the float. The rectangular floor of the model was 3 1 as long and 3 1 as wide as the floor of the actual float. What was the area, in square feet, of the rectangular floor of the model that the students constructed? 3) MA.C Jim rotated a game piece 270 counterclockwise around vertex V to see if he could use it for his next move. 4) MA.D The table shows a relationship between x and y. x y Which equation is true for each of the ordered pairs in the table? A. y = 3x + 3 C. y = 2.5x + 2 B. y = 1.5x + 3 D. y = 0.5x + 6 5) MA.E Some of the world s longest snakes and their greatest measured lengths are shown on the table. Greatest Length Snake Measured (in meters) African python 9.5 Anaconda 8 Black mamba 5.6 Boa constrictor 7 Indian python 6.5 Indigo snake 2.6 King cobra 5.6 Reticulated python 9 Which represents the position of the game piece after the 270 counterclockwise rotation? What is the range, in meters, of the lengths? Answer: Day -22

29 Teacher Countdown Week 5 Period 1) MA.A What is the value of the expression 2( ) 2? A. 2 C. 9 B. 7 D. 10 2) MA.B In the homecoming parade, the rectangular floor of the Lincoln Middle School float measured 16 feet by 12 feet. Before work began on the float, the student decorating committee constructed a model of the float. The rectangular floor of the model was 4 1 as long and 1 as wide as the floor of 4 the actual float. What was the area, in square feet, of the rectangular floor of the model that the students constructed? 3) MA.C Jim rotated a game piece 90 counterclockwise around vertex V to see if he could use it for his next move. 4) MA.D The table shows a relationship between x and y. x y Which equation is true for each of the ordered pairs in the table? A. y = x + 2 C. y = 3.5x + 1 B. y = 1.5x + 1 D. y = 2.5x + 1 5) MA.E The table below shows the number of moons that orbit four of the planets in our solar system. Planets and Their Moons Planet Name Number of Moons Jupiter 63 Mars 2 Neptune 13 Uranus 27 What is the range of the numbers listed? Which represents the position of the game piece after the 90 counterclockwise rotation? Answer: Day -23

30 Teacher Countdown Week 5 Period 1) MA.A What is the value of the expression 2 + (3 3-5) x 2? A. 2 C. 46 B. 8 D. 48 2) MA.B In the homecoming parade, the rectangular floor of the Lincoln Middle School float measured 20 feet by 15 feet. Before work began on the float, the student decorating committee constructed a model of the float. The rectangular floor of the model was 5 1 as long and 1 as wide as the floor of 5 the actual float. What was the area, in square feet, of the rectangular floor of the model that the students constructed? 3) MA.C Jim rotated a game piece 270 counterclockwise around vertex V to see if he could use it for his next move. 4) MA.D The table shows a relationship between x and y. x y Which equation is true for each of the ordered pairs in the table? A. y = 2.5x + 5 C. y = 3.5x + 2 B. y = 2.5x + 6 D. y = 3x + 5 5) MA.E Some of the world s longest snakes and their greatest measured lengths are shown on the table. Greatest Length Snake Measured (in meters) African python 9 Anaconda 9 Black mamba 4.3 Boa constrictor 6 Indian python 6.5 Indigo snake 2.6 King cobra 5.6 Reticulated python 9 Which represents the position of the game piece after the 90 counterclockwise rotation? What is the difference between the mean and the mode? Answer: Day -24

31 Teacher Countdown Week 5 Period 1) MA.A What is the value of the expression 2 + (2 4-6) 2? A. 2 C. 7 B. 76 D. 12 2) MA.B In the homecoming parade, the rectangular floor of the Lincoln Middle School float measured 24 feet by 12 feet. Before work began on the float, the student decorating committee constructed a model of the float. The rectangular floor of the model was 3 1 as long and 1 as wide as the floor of 3 the actual float. What was the area, in square feet, of the rectangular floor of the model that the students constructed? 4) MA.D The table shows a relationship between x and y. x y Which equation is true for each of the ordered pairs in the table? A. y = 3x + 2 C. y = 3.5x 1 B. y = 2.5x 1 D. y = 3x 1 5) MA.E Ben wants to compare the scores of this year s basketball games to the scores of last year s games. He made the following stem-and-leaf plots to make his comparison. 3) MA.C Jim rotated a game piece 270 clockwise around vertex V to see if he could use it for his next move. Which represents the position of the game piece after the 270 clockwise rotation? What is the difference between the median score this year and the median score last year? A 16 B 17 C 18 D 20 Day -25

32 Teacher Countdown Week 5 Period Answer Key DAY 21 DAY 22 DAY 23 DAY 24 DAY 25 1 C B B C C 2 12 (sq feet) 35 (sq feet) 12 (sq feet) 12 (sq feet) 32 (sq feet) 3 F H H F G 4 C B D A C C Day -26

33 Teacher Countdown Week 6 Period 1) MA.A The best-selling book at Best Books was Nightly Storms. The bookstore had 800 copies of the book and sold 480 copies in only one day. What percent of the copies of Nightly Storms was sold that one day? Answer: 2) MA.B In 1999, a section of a hiking trail from the Everglades to the Blackwater River State Park was completed. This section was a 240-mile stretch from the Ocala National Forest to the Osceola National Forest. If a scale drawing of the completed section was made, in which 1 centimeter represented 12 miles, what would be the length, in centimeters, of the trail on the drawing? 3) MA.C Figures ABCD and EFGH are similar. The ratio of their corresponding sides is 2:1. 4) MA.D An accountant drove her car on a business trip and was reimbursed for her expenses. She was given $85.00 per day for hotel and meals and $0.30 for each mile (m) she drove. Which of the following expressions represents her reimbursement for 3 days and for miles drive (m)? F. 3(0.3m ) H. 0.3 x x 3m G. 3(85.00) + 0.3m I. 0.3 x m 5) MA.E Each visitor to an environmental organization s website clicked on one out of five boxes on the computer screen to indicate his or her choice for the most important environmental challenge. The results of the website survey are shown below. WEBSITE SURVEY Environmental Challenge Air Quality 12% Climate Change 17% Deforestation 20% Population Growth 40% Water Shortages 11% Votes A teacher decided to survey 50 students, using the same website survey. If the website survey results were to hold true, how many of those students surveyed would be expected to check Air Quality as the most important environmental challenge? What is the length of GH? A. 2 units C. 4.5 units Answer: B. 3 units D. 18 units Day -26

34 Teacher Countdown Week 6 Period 1) MA.A The best-selling book at Best Books was Nightly Storms. The bookstore had 800 copies of the book and sold 464 copies in only one day. What percent of the copies of Nightly Storms was sold that one day? Answer: 2) MA.B In 1999, a section of a hiking trail from the Everglades to the Blackwater River State Park was completed. This section was a 264-mile stretch from the Ocala National Forest to the Osceola National Forest. If a scale drawing of the completed section was made, in which 1 centimeter represented 12 miles, what would be the length, in centimeters, of the trail on the drawing? 3) MA.C Figures ABCD and EDFH are similar. The ratio of their corresponding sides is 2:1. 4) MA.D An accountant drove her car on a business trip and was reimbursed for her expenses. She was given $75.00 per day for hotel and meals and $0.35 for each mile (m) she drove. Which of the following expressions represents her reimbursement for 4 days and for miles drive (m)? F. 4(0.35m ) H x x 4m G x m I. 4(75.00) m 5) Each visitor to an environmental organization s website clicked on one out of five boxes on the computer screen to indicate his or her choice for the most important environmental challenge. The results of the website survey are shown below. WEBSITE SURVEY Environmental Challenge Air Quality 12% Climate Change 17% Deforestation 20% Population Growth 40% Water Shortages 11% Votes A teacher decided to survey 50 students, using the same website survey. If the website survey results were to hold true, how many of those students surveyed would be expected to check Deforestation as the most important environmental challenge? What is the length of GH? Answer: A. 2.5 units C. 5.5 units B. 3 units D. 7.5 units Day -27

35 Teacher Countdown Week 6 Period 1) MA.A The best-selling book at Best Books was Nightly Storms. The bookstore had 800 copies of the book and sold 496 copies in only one day. What percent of the copies of Nightly Storms was sold that one day? Answer: 2) MA.B In 1999, a section of a hiking trail from the Everglades to the Blackwater River State Park was completed. This section was a 300-mile stretch from the Ocala National Forest to the Osceola National Forest. If a scale drawing of the completed section was made, in which 1 centimeter represented 15 miles, what would be the length, in centimeters, of the trail on the drawing? 3) MA.C Figures ABCD and EDFH are similar. The ratio of their corresponding sides is 2:1. 4) MA.D An accountant drove her car on a business trip and was reimbursed for her expenses. She was given $97.00 per day for hotel and meals and $0.78 for each mile (m) she drove. Which of the following expressions represents her reimbursement for 5 days and for miles drive (m)? F. 5(97.00) m H x x 5m G. 5(0.78m ) I x m 5) Each visitor to an environmental organization s website clicked on one out of five boxes on the computer screen to indicate his or her choice for the most important environmental challenge. The results of the website survey are shown below. WEBSITE SURVEY Environmental Challenge Air Quality 12% Climate Change 17% Deforestation 20% Population Growth 40% Water Shortages 11% Votes A teacher decided to survey 50 students, using the same website survey. If the website survey results were to hold true, how many of those students surveyed would be expected to check Population Growth as the most important environmental challenge? What is the length of GH? A. 7 units C. 6.5 units Answer: B. 5.5 units D. 15 units Day -28

36 Teacher Countdown Week 6 Period 1) MA.A The best-selling book at Best Books was Nightly Storms. The bookstore had 800 copies of the book and sold 416 copies in only one day. What percent of the copies of Nightly Storms was sold that one day? Answer: 2) MA.B In 1999, a section of a hiking trail from the Everglades to the Blackwater River State Park was completed. This section was a 384-mile stretch from the Ocala National Forest to the Osceola National Forest. If a scale drawing of the completed section was made, in which 1 centimeter represented 16 miles, what would be the length, in centimeters, of the trail on the drawing? 3) MA.C Figures ABCD and EDFH are similar. The ratio of their corresponding sides is 4:1. 4) MA.D An accountant drove her car on a business trip and was reimbursed for her expenses. She was given $56.00 per day for hotel and meals and $0.40 for each mile (m) she drove. Which of the following expressions represents her reimbursement for 4 days and for miles drive (m)? F. 4(0.4m ) H. 4(56.00) + 0.4m G. 0.4 x x 4m I. 0.4 x m 5) Each visitor to an environmental organization s website clicked on one out of five boxes on the computer screen to indicate his or her choice for the most important environmental challenge. The results of the website survey are shown below. WEBSITE SURVEY Environmental Challenge Air Quality 10% Climate Change 27% Deforestation 15% Population Growth 30% Water Shortages 18% Votes A teacher decided to survey 50 students, using the same website survey. If the website survey results were to hold true, how many of those students surveyed would be expected to check Water Shortage as the most important environmental challenge? What is the length of EH? A units C units Answer: B. 3.5 units D. 7.5 units Day -29

37 Teacher Countdown Week 6 Period 1) MA.A The best-selling book at Best Books was Nightly Storms. The bookstore had 800 copies of the book and sold 312 copies in only one day. What percent of the copies of Nightly Storms was sold that one day? Answer: 2) MA.B In 1999, a section of a hiking trail from the Everglades to the Blackwater River State Park was completed. This section was a 468-mile stretch from the Ocala National Forest to the Osceola National Forest. If a scale drawing of the completed section was made, in which 1 centimeter represented 18 miles, what would be the length, in centimeters, of the trail on the drawing? 3) MA.C Figures ABCD and EDFH are similar. The ratio of their corresponding sides is 4:1. 4) MA.D An accountant drove her car on a business trip and was reimbursed for her expenses. She was given $80.00 per day for hotel and meals and $1.90 for each mile (m) she drove. Which of the following expressions represents her reimbursement for 5 days and for miles drive (m)? F. 5(1.9m ) H. 1.9 x x 5m G. 1.9 x m I. 5(80.00) + 1.9m 5) Each visitor to an environmental organization s website clicked on one out of five boxes on the computer screen to indicate his or her choice for the most important environmental challenge. The results of the website survey are shown below. WEBSITE SURVEY Environmental Challenge Air Quality 13% Climate Change 16% Deforestation 20% Population Growth 40% Water Shortages 11% Votes A teacher decided to survey 50 students, using the same website survey. If the website survey results were to hold true, how many of those students surveyed would be expected to check Climate Change as the most important environmental challenge? What is the length of FG? A. 2.5 units C. 4.5 units B. 3.5 units D. 9 units Answer: Day -30

38 Teacher Countdown Week 6 Period Answer Key DAY 26 DAY 27 DAY 28 DAY 29 DAY % 58% 62% 52% 39% C D B A C 4 G I F H I % 8% Day -31

39 Teacher Countdown Week 7 Period 1) MA.A In Ocella s greenhouse, 28% of all the plants produce vegetables. There are 650 plants in the greenhouse. How many plants produce vegetables in her greenhouse? Answer: 2) MA.B The Channel Tunnel ( Chunnel ) links England with the European continent. It is the world s longest undersea tunnel. Only trains are allowed in the tunnel. The map shows the tunnel s endpoints of Folkestone, England, and Calais, France. SCALE ½ inch = 10 miles Triangles ACE and BCD are similar triangles and CE = 9 feet, BC = 4 feet, and CD = 4.5 feet. What is the length of AC? Answer: 4) MA.D Mark spent $12, including tax, on boxes of nails he bought at a hardware store. The price of the nails, including tax, was $3 per two boxes. In the equation below, b represents the number of boxes of nails Mark bought. Lupe measured the distance between Folkestone and Calais on the map and found that it was approximately 1.5 inches. Based on the map scale, approximately how many miles long is the Channel Tunnel? Answer: 3) MA.C The wooden structure that supports a roller coaster is strengthened by triangular braces as shown below. 12 =b (3 2) How many boxes of nails, b, did Mark buy? Answer: 5) MA.E The records of a sporting goods company show that 6 out of every 100 footballs manufactured have some defect. What is the probability that a football will NOT have a manufacturing defect? F H. 50 G I. 50 Day -31

40 Teacher Countdown Week 7 Period 1) MA.A In Ocella s greenhouse, 32% of all the plants produce vegetables. There are 650 plants in the greenhouse. How many plants produce vegetables in her greenhouse? Answer: 2) MA.B The Channel Tunnel ( Chunnel ) links England with the European continent. It is the world s longest undersea tunnel. Only trains are allowed in the tunnel. The map shows the tunnel s endpoints of Folkestone, England, and Calais, France. SCALE ½ inch = 10 miles Triangles ACE and BCD are similar triangles and CE = 11 feet, BC = 5 feet, and CD = 5.5 feet. What is the length of AC? Answer: 4) MA.D Mark spent $18, including tax, on boxes of nails he bought at a hardware store. The price of the nails, including tax, was $3 per two boxes. In the equation below, b represents the number of boxes of nails Mark bought. Lupe measured the distance between Folkestone and Calais on the map and found that it was approximately 2.5 inches. Based on the map scale, approximately how many miles long is the Channel Tunnel? Answer: 3) MA.C The wooden structure that supports a roller coaster is strengthened by triangular braces as shown below. 18 =b (3 2) How many boxes of nails, b, did Mark buy? Answer: 5) MA.E The records of a sporting goods company show that 4 out of every 100 footballs manufactured have some defect. What is the probability that a football will NOT have a manufacturing defect? F H. 25 G I. 25 Day -32

41 Teacher Countdown Week 7 Period 1) MA.A In Ocella s greenhouse, 46% of all the plants produce vegetables. There are 650 plants in the greenhouse. How many plants produce vegetables in her greenhouse? Answer: 2) MA.B The Channel Tunnel ( Chunnel ) links England with the European continent. It is the world s longest undersea tunnel. Only trains are allowed in the tunnel. The map shows the tunnel s endpoints of Folkestone, England, and Calais, France. SCALE ½ inch = 10 miles Triangles ACE and BCD are similar triangles and CE = 15 feet, BC = 6 feet, and CD = 10 feet. What is the length of AC? Answer: 4) MA.D Mark spent $15, including tax, on boxes of nails he bought at a hardware store. The price of the nails, including tax, was $5 per four boxes. In the equation below, b represents the number of boxes of nails Mark bought. Lupe measured the distance between Folkestone and Calais on the map and found that it was approximately 3 inches. Based on the map scale, approximately how many miles long is the Channel Tunnel? Answer: 3) MA.C The wooden structure that supports a roller coaster is strengthened by triangular braces as shown below. 15 =b (5 4) How many boxes of nails, b, did Mark buy? Answer: 5) MA.E The records of a sporting goods company show that 8 out of every 100 footballs manufactured have some defect. What is the probability that a football will NOT have a manufacturing defect? F H G I. 25 Day -33

42 Teacher Countdown Week 7 Period 1) MA.A In Ocella s greenhouse, 34% of all the plants produce vegetables. There are 650 plants in the greenhouse. How many plants produce vegetables in her greenhouse? Answer: 2) MA.B The Channel Tunnel ( Chunnel ) links England with the European continent. It is the world s longest undersea tunnel. Only trains are allowed in the tunnel. The map shows the tunnel s endpoints of Folkestone, England, and Calais, France. SCALE ½ inch = 15 miles Triangles ACE and BCD are similar triangles and CE = 18 feet, BC = 9 feet, and CD = 12 feet. What is the length of AC? Answer: 4) MA.D Mark spent $18, including tax, on boxes of nails he bought at a hardware store. The price of the nails, including tax, was $6 per five boxes. In the equation below, b represents the number of boxes of nails Mark bought. Lupe measured the distance between Folkestone and Calais on the map and found that it was approximately 3.5 inches. Based on the map scale, approximately how many miles long is the Channel Tunnel? Answer: 3) MA.C The wooden structure that supports a roller coaster is strengthened by triangular braces as shown below. 18 =b (6 5) How many boxes of nails, b, did Mark buy? Answer: 5) MA.E The records of a sporting goods company show that 5 out of every 80 footballs manufactured have some defect. What is the probability that a football will NOT have a manufacturing defect? 15 F H G I. 25 Day -34

43 Teacher Countdown Week 7 Period 1) MA.A In Ocella s greenhouse, 26% of all the plants produce vegetables. There are 650 plants in the greenhouse. How many plants produce vegetables in her greenhouse? Answer: 2) MA.B The Channel Tunnel ( Chunnel ) links England with the European continent. It is the world s longest undersea tunnel. Only trains are allowed in the tunnel. The map shows the tunnel s endpoints of Folkestone, England, and Calais, France. SCALE ½ inch = 20 miles Triangles ACE and BCD are similar triangles and CE = 12 feet, BC = 4 feet, and CD = 5 feet. What is the length of AC? Answer: 4) MA.D Mark spent $20, including tax, on boxes of nails he bought at a hardware store. The price of the nails, including tax, was $5 per four boxes. In the equation below, b represents the number of boxes of nails Mark bought. Lupe measured the distance between Folkestone and Calais on the map and found that it was approximately 1.5 inches. Based on the map scale, approximately how many miles long is the Channel Tunnel? Answer: 3) MA.C The wooden structure that supports a roller coaster is strengthened by triangular braces as shown below. 20 =b (5 4) How many boxes of nails, b, did Mark buy? Answer: 5) MA.E The records of a sporting goods company show that 4 out of every 60 footballs manufactured have some defect. What is the probability that a football will NOT have a manufacturing defect? F H G. 15 I Day -35

44 Teacher Countdown Week 7 Period DAY 31 DAY 32 DAY 33 DAY 34 DAY miles 50 miles 60 miles 105 miles 60 miles 3 8 feet 10 feet 9 feet 13.5 feet 9.6 feet I I G F G Day -36

45 Teacher Countdown Week 8 Period 1) MA.A There are many different layers in Earth s atmosphere. The scale diagram below represents the first three layers of the atmosphere. The stratosphere extends 35 kilometers. Which is closest to the distance from sea level to the top of the mesosphere layer? A. 35 kilometers C. 80 kilometers B. 55 kilometers D. 105 kilometers 2) MA.B In art class Tara mixed 1 liter of blue paint, 2 liters of red paint, and one-half liter of white paint together in a bucket. How many milliliters of paint did Tara mix in the bucket? Which point on the grid best represents the location of Tina s house (T)? Answer: 4) MA.D Members of a club are selling cookies for $2.50 per box, and their goal is to sell enough boxes to total at least $3500 in sales. The members of the club have already sold $ worth of cookies. The club treasurer used the inequality below to calculate n, the number of additional boxes that must be sold by members in order to reach or exceed their goal n 3500 What is the minimum number of additional boxes that must be sold by the members in order to reach their goal? Answer: 5) MA.E Jodie saw the following graph in a news magazine. F milliliters H. 350 milliliters G. 3.5 milliliters I milliliters 3) MA.C Paul plotted points to show the locations of his friends houses. Jodie said that, based on the graph, global temperatures had more than doubled between 1865 and Which best explains why Jodie was misled by the graph? A. The graph did not show the mean global temperature for the year B. The graph showed data using Fahrenheit degrees instead of Celsius degrees. C. The mean global temperature between 1900 and 1950 remained almost unchanged. D. The layout of the temperature scale made the bar for 1865 look half as high as the bar for Day -36

46 Teacher Countdown Week 8 Period 1) MA.A There are many different layers in Earth s atmosphere. The scale diagram below represents the first three layers of the atmosphere. The stratosphere extends 35 kilometers. Which is closest to the distance from the top of the troposphere to the top of the mesosphere layer? A. 35 kilometers C. 80 kilometers B. 65 kilometers D. 105 kilometers 2) MA.B In art class Tara mixed 2 liters of blue paint, 2 liters of red paint, and one-half liter of white paint together in a bucket. How many milliliters of paint did Tara mix in the bucket? Which point on the grid best represents the location of Sasha s house (S)? Answer: 4) MA.D Members of a club are selling cookies for $2.50 per box, and their goal is to sell enough boxes to total at least $3700 in sales. The members of the club have already sold $ worth of cookies. The club treasurer used the inequality below to calculate n, the number of additional boxes that must be sold by members in order to reach or exceed their goal n 3700 What is the minimum number of additional boxes that must be sold by the members in order to reach their goal? Answer: 5) MA.E The scatterplot below shows the relationship between the number of hours people exercise and the time it takes people to drive to work. F milliliters H. 450 milliliters G. 4.5 milliliters I milliliters 3) MA.C Paul plotted points to show the locations of his friends houses. Day -37 Which conclusion does the data MOST strongly support? A. The time it takes to drive to work decreases as the number of hours exercising increases. B. The time it takes to drive to work increases as the number of hours exercising increases. C. The time it takes to drive to work stays the same as the number of hours exercising increases. D. The time it takes to drive to work is not related to the number of hours exercising.

47 Teacher Countdown Week 8 Period 1) MA.A A farmer is baling hay. He wants to estimate how many bales he will get from the whole field. He got 27 bales from the corner of the field, as shown below. Which is closest to the number of bales of hay the farmer would get from his entire field, assuming the amount of hay to be baled is the same across the field? A. 250 bales C. 1,000 bales B. 600 bales D. 1,400 bales 2) MA.B In art class Tara mixed 3 liters of blue paint, 2 liters of red paint, and 0.5 liters of white paint together in a bucket. How many milliliters of paint did Tara mix in the bucket? Which point on the grid best represents the location of Ulani s house (U)? Answer: 4) MA.D Members of a club are selling cookies for $3.50 per box, and their goal is to sell enough boxes to total at least $3800 in sales. The members of the club have already sold $ worth of cookies. The club treasurer used the inequality below to calculate n, the number of additional boxes that must be sold by members in order to reach or exceed their goal n 3800 What is the minimum number of additional boxes that must be sold by the members in order to reach their goal? Answer: 5) MA.E The chart below shows information about the new students entering a certain university. F milliliters H milliliters G. 5.5 milliliters I. 550 milliliters 3) MA.C Paul plotted points to show the locations of his friends houses. Day -38 The university president wanted to know how many new students entering this university were male. Which other data does the president need in order to determine this number? A. the total number of new students B. the number of men in the university C. the number of students from each state D. the percent of new students in the university

48 Teacher Countdown Week 8 Period 1) MA.A A farmer is baling hay. He wants to estimate how many bales he will get from the whole field. He got 27 bales from the corner of the field, as shown below. Which is closest to the number of bales of hay the farmer would get from his entire field, assuming the amount of hay to be baled is the same across the field? A. 250 bales C. 1,000 bales B. 600 bales D. 1,400 bales 2) MA.B In art class Tara mixed 0.5 liters of blue paint, 3.7 liters of red paint, and 10.4 liters of white paint together in a bucket. How many milliliters of paint did Tara mix in the bucket? Which point on the grid best represents the location of Rima s house (R)? Answer: 4) MA.D Members of a club are selling cookies for $2.75 per box, and their goal is to sell enough boxes to total at least $3800 in sales. The members of the club have already sold $159 worth of cookies. The club treasurer used the inequality below to calculate n, the number of additional boxes that must be sold by members in order to reach or exceed their goal n 3800 What is the minimum number of additional boxes that must be sold by the members in order to reach their goal? Answer: 5) MA.E Jessie saw a magazine ad for Tingle mouthwash that included the graph shown below. He thought the ad was misleading. F milliliters H milliliters G milliliters I milliliters 3) MA.C Paul plotted points to show the locations of his friends houses. Which of the following makes the graph misleading? A. Tingle is placed last to draw attention to it. B. The number of germs is not included. C. The percentage of germs killed is clearly shown for Brands X and Y. D. The scale starts at 80 percent to make the difference between brands seem large. Day -39

(8 Weeks = 40 School Days) GRADE 9. Mathematics. Weighted Benchmark Item Bank STUDENT COPY

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