Review pg 57-62 Apr 23 3:58 PM 4.8.2 Review Relay 1. Reduce the ratio to lowest terms: pg 57 15:35 = 18 = 6 144:72 = May 10 3:18 PM 1
2. Calculate the following percents: pg 57 45% of 220 = 120% x 555= 1.5% x 1400 = Jul 13 12:34 PM 3. The driving distance from Thunder Bay to Vancouver is approximately 2500 km. How long would it take you to drive from Thunder Bay to Vancouver at 90 km/hour without making any stops? Individual Work / Group Work pg 57 Solution Jul 13 12:36 PM 2
day 9 review answers.notebook pg 57 4. If the ratio of the Canadian dollar to the US dollar is $1.04:$1.00, how much Canadian money is equivalent to US$250? Individual Work / Group Work Solution Jul 13 12:37 PM pg 58 5. Measure the length indicated in centimetres. What is the actual length of the shark, in metres? Scale Diagram 1:70 Jul 13 12:38 PM 3
pg 58 6. You want to purchase a new shirt that costs $22.50. a) How much tax will you have to pay including GST and PST? HST only b) What is the total cost of your shirt? Jul 13 12:47 PM pg 58 7. You are shopping for DVDs at the video store with a $30.00 gift certificate that you received from a friend. You find a great DVD that was $34.50 on sale for 25% off. Do you have enough money to buy the DVD including GST and PST? HST only Jul 13 12:50 PM 4
8. You are working at Tecky Television Sales. Recall that the HDTV's width:height ratio is 16:9. A customer wants to know: a) If he has an entertainment centre that has an opening that is 48 inches wide, how high will the cabinet opening have to be? Jul 13 12:54 PM b) If the cabinet opening is 48 inches by 32 inches, will a 50 inch HDTV fit inside? pg 58 Apr 20 6:43 PM 5
4.8.3 Practice 1. Express each of the following as a unit rate. Round answers to two decimal places, if necessary, and state the units for each answer. a) 40 mm of rain in 4 h b) $6.49 for 24 cans of pop c) $58.00 for 8 h of work pg 59 2. A newborn child usually triples its birth weight in a year. If a baby weighed 3.35 kg at birth, what is the baby likely to weigh on her first birthday? Consolidate Debreif Page 1 pg 59 3. A single bus fare costs $2.10. A monthly bus pass costs $50.00. Katelyn estimates that she will ride the bus 25 times this month. Boris estimates that he will ride the bus 16 times. Should they each buy a monthly pass? Explain. Jul 13 1:15 PM 6
day 9 review answers.notebook pg 59 4. The price for gold is usually given in US dollars per ounce. Find the cost in Canadian dollars for an ounce of gold selling at US$559.00 when the exchange rate is $1 USD = $1.17 CDN. Jul 13 1:16 PM pg 60 5. Determine the better buy for each of these school supplies. Show your calculations. a) A box of 12 pens for $2.59 or a box of 15 pens for $3.35. b) 250 sheets of graph paper for $2.39 or 120 sheets for $1.15. Jul 13 1:24 PM 7
6. Kelly ran 8 laps of the track in 18 minutes. Jack ran 6 laps in 10 minutes. Who had the greater average speed? Explain. pg 60 Jul 13 1:34 PM 7. Carl bought a football jersey with a regular price of $129.49. The jersey was on sale for 30% off, and the taxes were 13%. Determine each amount. a) the discount b) the sale price pg 60 c) the taxes d) the total amount Carl paid Jul 13 1:42 PM 8
pg 61 8. Determine the missing value for each of the following. a) 64 = % b) 15% of = 6 72 c) 32% of 65 = d) 0.08% of 25 000 000 = e) 124 = % f) 135% of is 108. 96 Jul 13 1:44 PM 9. A stop sign has an actual width of 60 cm. Determine the scale of the diagram below. pg 61 3.6 cm Jul 13 1:47 PM 9
pg 62 10. A scale drawing of the Canadian Flag gives a ratio of 1:50. The width of the drawing is 13 cm. A real Canadian Flag has a width to height ratio of 2:1. What are the actual dimensions of a real Canadian flag? Actual Height = Actual Width = Jul 13 1:53 PM Jul 13 1:20 PM 10
Attachments 4.8.3 2 Practice Solutions.notebook 4.8 MindsOnGameInstructions.notebook 4.8.1 TeacherNotes.notebook 4.8.3 1 Practice Solutions.notebook 4.8.3 3 Practice Solutions.notebook 4.8.3 4 Practice Solutions.notebook 4.8.3 5 Practice Solutions.notebook 4.8.3 6 Practice Solutions.notebook 4.8.3 7 Practice Solutions.notebook 4.8.3 8 Practice Solutions.notebook 4.8.3 9 Practice Solutions.notebook BLM 4.8.1 4.8.3.doc BLM 4.8.1 4.8.3.pdf BLM 4.8.1 4.8.3 Solutions.doc BLM 4.8.1 4.8.3 Solutions.pdf 4.8 Teacher Instructions.doc 4.8 Teacher Instructions.pdf 4.8.pdf