Answer Key Lesson 0: Student Guide Mrs Murphy s Bakery Draw pictures and use invented strategies, repeated subtraction, rectangles, fraction circle pieces, and number lines to solve the problems Mrs Murphy is a baker She has cups of flour If one batch of That means, How many cupcakes calls for cups of groups of three are in? flour, how many batches can she make? A How will you label your answer? B Work with a partner to solve the problem Include a drawing Mrs Murphy has cups of chocolate frosting that she wants to divide equally among cupcakes How much frosting should she use to frost each cupcake? A Will your answer be more than or less than? B How will you label your answer? C Work with a partner to solve the problem Include a drawing How much frosting for each cupcake? How can I divide cups into equal groups? The answer will be less than a whole number If there were cupcakes, each cupcake would get - - cup frosting Since there are cupcakes, each will get a little less than - - - cup cup cup (SG pp 0 ) Questions 0 Drawings for Questions will vary Sample drawings are provided A* batches B* batches; A* less than B* cups C* cups; 0 SG Grade Unit 0 Lesson 0 Student Guide - age 0 Mrs Murphy has cups of butter Each batch of vanilla frosting calls for cup butter How many batches of frosting can she make? A What are you trying to find out? How many are in? B How will you label your answer? C Will your answer be larger or smaller than cups? Why? D Work with a partner to solve the problem Include a drawing E Explain how Mrs Murphy solved this way: 0 There is of a cake left at Mrs Murphy s bakery customers want to share it evenly How much of the cake will each person get? A What are you trying to find out? How much of the whole cake is being divided? B Will your answer be more than or less than? C How will you label your answer? D Work with a partner to solve the problem Include a drawing E Explain how Mrs Murphy solved this way: SG Grade Unit 0 Lesson 0 0 Student Guide - age 0 A* How many halves are in? B* batches C* The quotient will be larger than because you are dividing the cups of butter into smaller cups D* batches; cup cup cup E* Mrs Murphy used repeated subtraction on a number line to solve She took backwards jumps of A* How much of the whole cake will each person get if of it is divided among? B* less than C* cake D* cake; E* Mrs Murphy divided a rectangle in half and then divided the half into four equal pieces Each person would get of the whole cake *Answers and/or discussion are included in the lesson TG Grade Unit 0 Lesson 0 Answer Key
Answer Key Lesson 0: tiles Arts and Crafts Draw a picture for each problem and solve the problem Label your answers carefully Each gets of a box Miguel has a bag of mosaic tiles How can he divide them evenly among people? Yolanda has boxes of sequins How can she divide the boxes evenly among herself, Julia, Nisha, Fern, Suzanne, and Emily? 7 Nisha is cutting a -meter long ribbon into -meter lengths How many pieces of the smaller lengths of ribbon will she have? meters Chris, eter, and Fern want to share of a yard of fabric equally How much of a yard will each person get? 7 pieces of a yard meter A scoop holds of a cup How many scoops of glitter are needed to fill a bottle that holds cups? 0 A scoop holds of a cup How many scoops of colored sand are needed to fill a bottle that holds cups of sand? Frank has of a s of construction paper Each person needs of a for a craft How many people can have a half- of paper? Each project requires of a container of paint and there are containers of paint How many projects can the students make? Mark has hours to finish crafts If he divides his time evenly, how much of an hour can he give to each craft? After you solve a problem, look back at your answer Nisha has of a meter of ribbon with Does it make sense? which to make tiny bows How much ribbon can she use for each bow? 0 SG Grade Unit 0 Lesson 0 scoops Student Guide - age 0 0 projects 0 of an hour 0 scoops people of a meter 0 m m TG Grade Unit 0 Lesson 0 Answer Key
Answer Key Lesson 0: Check-In: Questions Romesh has an -foot strip of balsa wood He wants to cut -foot lengths from the strip of wood How many -foot pieces of wood will he have? There is ball of yarn left How much of the ball of yarn will Richard, Yolanda, Fern, Michael, and Chris get if they share it? * pieces 0 7 0 7 0 0 0 ball 7 ft Solve the problems 7 A B A B A B 0 A B Grace has of a of paper She divides it into parts A How much of the whole of paper is one part? Write a division number sentence B Use paper folding to find Write a number sentence C Compare number sentences Is? Kathy divides of a of paper into parts A How much of the whole of paper is one part? Write a division number sentence B Use paper folding to find Write a number sentence C Compare number sentences Is? 7 A* B* = A* B* = A* B* = 0 A* B* = SG Grade Unit 0 Lesson 0 Student Guide - age A = Jason divides of a of paper into parts A How much of the whole of paper is one part? Write a division number sentence B Use paper folding to find Write a number sentence C Compare number sentences Is? D Use the model above to solve Write a number sentence E Use paper folding to find Write a number sentence F Compare the number sentences in Questions D E Is? Solve the problems A A B B A 7 A B B A B B = C Yes, = Both equal A = B = C Yes, = Both equal A* = B* = C* Yes, = Both equal D = or E = or F Yes, = Both equal or A* A* = 0 B* = B* 0 = A 7 A = B = B = A B = SG Grade Unit 0 Lesson 0 Student Guide - age *Answers and/or discussion are included in the lesson TG Grade Unit 0 Lesson 0 Answer Key
Answer Key Lesson 0: A B* C D E 0 0 0 0 F 00 00 00 00 0 A = B = C = D = E 0 0 0 0 = F 00 00 = 00 00 Homework (SG pp ) Questions Rule: Divide by 0 0 Rule: Divide by 0 Complete the corresponding division and multiplication sentences Look for patterns A B C D E 0 0 0 F 00 00 00 0 A B C D E 0 F 00 0 0 00 00 Complete the Function Machines Write the answers in simplest form Do not leave any improper fractions Rule: Divide by Rule: Divide by 0 0 SG Grade Unit 0 Lesson 0 Student Guide - age *Answers and/or discussion are included in the lesson TG Grade Unit 0 Lesson 0 Answer Key
Answer Key Lesson 0: Rule: Divide by Rule: Divide by Cup Draw a picture and solve the problem Write a number sentence including labels Mrs Murphy is placing scoops of small candies into bags A The scoop is of a cup How many scoops of candy will fit in a -cup B The scoop is of a cup How many scoops of candy will fit in a -cup C The scoop is 0 of a cup How many scoops of candy will fit in a -cup There is of a pizza in the refrigerator How much will Nisha and Fern get if they share it evenly? Michael has bottle of lemonade How much of the bottle will people get if they share it equally? 7 How much of a bag will Nisha, Fern, and Mark get if they share of a bag of chips equally? of a submarine sandwich is one serving How many servings are in sandwiches? A scoops 7 B scoops 0 7 Write a story about Solve the problem Include a drawing and label your answer 0 SG Grade Unit 0 Lesson 0 Student Guide - age C scoops Each girl will get of a pizza 0 bottle 7 Each child will get bag servings 0 0 Stories will vary Sample story: Ana had feet of ribbon She cut it into - foot lengths She had 0 smaller ribbons when she was done 0 7 0 7 0 7 0 0 ft TG Grade Unit 0 Lesson 0 Answer Key