Ratio

Which of the following is NOT an equivalent ratio to 15:20?

• 3:4

• 45:60

• 75:100

• 8:10

If a bag of 6 oranges costs $4.20, what is the cost of one orange?

• $0.60

• $0.70

• $0.80

• $0.90

A recipe calls for 2 tablespoons of oil for every 3 tablespoons of vinegar. If you use 9 tablespoons of vinegar, how much oil do you need?

• 4 tablespoons

• 5 tablespoons

• 6 tablespoons

• 7 tablespoons

In math class there are 24 girls and 12 boys. What is the ratio of boys to girls?

• 12:24

• 12:36

• 24:36

• 11:12

There are 3 red dots, 4 blue dots, and 7 green dots. What is the ratio of green dots to all the other dots. Simplify your answer.

• 7:14

• 1:7

• 4:7

• 3:7

Which answer is correct? There are 5 triangles and 10 squares. What is the ratio of squares to triangles? Simplify your answer.

• 5:10

• 10:5

• 2:1

• 1:2

Fill in the answer. If there are 7 boys in a class and 14 girls what is the ratio of girls to the entire class? _:21

For recess only half of the class was allowed outside. There are normally 10 boys and 12 girls in the class, but only 5 boys and 6 girls got to go outside. What is the ratio of boys inside the classroom compared to boys outside the classroom? Simplify your answer

• 10:12

• 12:10

• 5:5

• 1:1

What is a ratio?

• A comparison of two quantities by addition

• A comparison of two quantities by division

• A comparison of two quantities by multiplication

• A comparison of two quantities by subtraction

What are equivalent ratios?

• Ratios that have the same value

• Ratios that have different values

• Ratios that have opposite values

• Ratios that have no value