Quiz Review 5.1 - 5.4. Write the ratio. Explain what the ratio means. Use the figures to write the ratio. circles to triangles 6:8 or 3:4 Explain: 6 circles.

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Presentation transcript:

Quiz Review

Write the ratio. Explain what the ratio means. Use the figures to write the ratio. circles to triangles 6:8 or 3:4 Explain: 6 circles to 8 triangles triangles to rectangles 8:4 or 2:1 Explain: 8 triangles for every 4 rectangles rectangles to circles 4:6 or 2:3 Explain: 4 rectangles to 6 circles triangles to total number of figures 8:18 or 4:9 Explain: 8 triangles out of 18 total figures

Find the missing values in the ratio table. Stars Stripes M&Ms Skittles

Write a rate that represents the situation. Any of the following are correct: 50 apples in 11 baskets 100 apples in 22 baskets 150 apples in 33 baskets 200 apples in 44 baskets 250 apples in 55 baskets

Write a unit rate for the situation. 6 kittens in 3 boxes 2 kittens in 1 box 72 biscuits from 9 batches 8 biscuits from 1 batch $96 for 16 hours of work $6 for 1 hour of work 1800 revolutions in 50 seconds 36 revolutions in 1 second

Word Problems Are the rates equivalent? Explain… 17 heartbeats in 15 seconds, 68 heartbeats in 60 seconds Yes! You can multiply the first rate by 4 to get the second rate. Or, simplify both down to 17 heartbeats in 15 seconds. 92 miles on 4 gallons, 100 miles on 5 gallons No! The first rate simplifies to 23 miles on 1 gallon, and the second rate simplifies to 20 miles on 1 gallon. Those are not equivalent.

Five album downloads cost $30. How much do 7 album downloads cost? Find the unit rate: 1 album download = $6, $6 x 7 = $42.00 $42.00 In a recipe, the ratio of flour to water is 3 : 4. You plan to make 35 ounces in your recipe. How many ounces of flour do you need? Use a tape diagram: total ounces 35 Ounces of flour total flour: 15 ounces Ounces of water Word Problems

Which is the BETTER BUY? You can buy an 3 pack t-shirts for $15.75 or a 4 pack for $ Which is the better buy? Find the unit rates: 3 pack for $15.75 = 1 for $5.25 BETTER BUY! 4 pack for $21.20 = 1 for $5.30