equivalent ratios
unit rate
find the missing ratios
Comparing Ratios
word problems
100

Find an equivalent ratio to 1:2

2:4

100

A student reads 12 pages in 3 hours. How many pages per hour?

4 pages per hour

100

2/3 = 4/___

6

100

Which ratio is greater?

2:5 or 3:5

3;5

100

The ratio of boys to girls is 2:3. If there are 6 boys, how many girls are there?

9 girls

200

Find an equivalent ratio to  3:5 



6:10

200

10 pencils cost $2. What is the cost per pencil?

 $0.20 per pencil

200

3/5 = ___/10

6

200

Which ratio is greater?

4:7 or 5:8


5;8

200

A recipe uses 2 cups of milk for every 3 cups of flour. How much milk is needed for 9 cups of flour?

 6 cups

300

 4:6 equivalent to 2:3

yes

300

A cyclist rides 45 miles in 5 hours. What is the unit rate?

9mph

300

4/7 = 12/__

21

300

Which ratio is greater?

7:12 or 9:15

9;15

300

A map scale is 1 inch = 8 miles. How many miles does 5 inches represent?

40 miles

400

Complete the ratio: 5:8 = 15:___

24

400

4 bottles of water cost $12. What is the cost per bottle?

$0.50 per bottle

400

8/12 = ___/18

12

400

A fruit stand sold:

  • 18 apples for every 24 oranges
  • 21 apples for every 30 oranges

Which stand has the greater apple-to-orange ratio?

3:4> 7;10

 

400

The ratio of red balloons to blue balloons is 4:7. If there are 28 blue balloons, how many red balloons are there?

16 red balloons 

500


Are 12:18 and 20:30 equivalent?

yes, both simplify to 2:3

500

A factory makes 360 toys in 6 hours. How many toys per hour?

60 toys per hour

500

15/20 = 60/__

 80

500

Three classes have these boy-to-girl ratios:

  • Class A: 16:24
  • Class B: 20:28
  • Class C: 24:36

Which class has the greatest boy-to-girl ratio?

  • Class A = 2:3
  • Class B = 5:7
  • Class C = 2:3
  • so class b
500

A class has a ratio of 5 boys to 7 girls. If there are 35 girls, how many boys are there?

25 boys