Ratios and Equivalent Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 red apples to 3 green apples.

Front

What is the ratio of boys to girls in a classroom with 13 boys and 10 girls?

Back

13 to 10.

Front

In a class of 30 students, if 14 rode the bus, what is the ratio of students who rode the bus to those who used other transportation?

Back

7:8.

Front

What is the ratio of pears to apples if there are 5 pears and 4 apples?

Back

5:4.

Front

How do you simplify the ratio 8:12?

Back

Divide both sides by 4 to get 2:3.

Front

If the ratio of cats to dogs is 3:5, how many dogs are there if there are 9 cats?

Back

15 dogs.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much sugar is needed for 4 cups of flour?

Back

6 cups of sugar.

Front

What is the ratio of 20 to 50 in simplest form?

Back

2:5.