Understanding Ratios and Their Expressions

What is a ratio?

• A comparison of two quantities by addition

• A comparison of two quantities by multiplication

• A comparison of two quantities by division

• A comparison of two quantities by subtraction

How is the ratio of 5 kites to 7 balloons written?

• 7:5

• 5:7

• 5-7

• 7-5

What is the first term in the ratio 5:7?

• 7

• 5

• 12

• 2

How can the ratio of 13 puppies to 4 dogs be expressed?

• 13:4

• 4:13

• 13-4

• 4-13

What is the simplified form of the ratio 18 hens to 10 cows?

• 9:5

• 5:9

• 18:10

• 10:18

What is the ratio of cows to the total number of animals if there are 10 cows and 28 animals in total?

• 14:5

• 28:10

• 10:28

• 5:14

What is the simplified form of the ratio 10 cows to 18 hens?

• 5:9

• 9:5

• 10:18

• 18:10

How do you express the ratio 35:100 as a percentage?

• 50%

• 70%

• 100%

• 35%

What percentage does the ratio 15 raw mangoes to 100 ripe mangoes represent?

• 15%

• 100%

• 85%

• 50%

Which of the following is NOT a way to express a ratio?

• Using a colon

• Using a fraction

• Using a percentage

• Using a subtraction