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Ratio Quiz 1. Sandra made $54 working 9 hours babysitting and $36 working 6 hours mowing yards. Simplify each ratio to the smallest common factor and state whether the ratios are equivalent. 2. Elevator A travels 8 stories in 24 seconds; Elevator B travels 6 stories in 17 seconds Simplify each ratio to the smallest common factor and state whether the ratios are equivalent. Create a ratio table with the following information. 3. A family of 4 drinks 3 litres of milk, eats 2 loaves of bread, and uses 6 rolls of toilet paper each week. If the family had 12 people, how much of each would they use? Family members 4 Milk Bread Toilet paper Determine the missing numbers in the ratio table. 4. 32 128 16 8 Write the following ratio in simplest form 5. 12 red blocks to 24 blue blocks 6. 15 boys to 12 girls Use ratios to find the following answers 7. The ratio of cats to dogs seen at the office is 2 to 5. If a vet sees 40 dogs, how many cats did she see? 8. Mr. Hackney bought 49.96 kilos of feed for his chickens for $12.49. How much did the feed cost per kilo? Ratio Quiz Answers 1. Sandra made $54 working 9 hours babysitting and $36 working 6 hours mowing yards. Simplify each ratio to the smallest common factor and state whether the ratios are equivalent. 54:9 36:6 (divide both sides by 9) 6:1 (divide both sides by 6) 6:1 Yes, the ratios are equivalent. 2. Elevator A travels 8 stories in 24 seconds; Elevator B travels 6 stories in 17 seconds. Simplify each ratio to the smallest common factor and state whether the ratios are equivalent. 8:24 6:17 (divide both sides by 8) 1:3 No, the ratios are not equivalent. (Cannot divide as 17 is a prime number) 6:17 Create a ratio table with the following information. 3. A family of 4 drinks 3 litres of milk, eats 2 loaves of bread, and uses 6 rolls of toilet paper each week. If the family had 12 people, how much of each would they use? Family Milk Bread Toilet paper 4 3 2 6 12 9 6 18 Determine the missing numbers in the ratio table. 4. 32 128 16 64 8 32 Write the following ratio in simplest form 5. 12 red blocks to 24 blue blocks 1:2 (divide both sides by 3) 8. 15 boys to 12 girls 5:4 (divide both sides by 3) Use ratios to find the following answers 9. The ratio of cats to dogs seen at the office is 2 to 5. If a vet sees 40 dogs, how many cats did she see? 16 cats (5 x 8 is 40 so we must multiply 2 by 8 as well) 10. Mr. Hackney bought 49.96 kilos of feed for his chickens for $12.49. How much did the feed cost per kilo? $4.00 per kilo (49.96 ÷ 12.49)