Ratios and equivalent ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities.

Front

Find one equivalent ratio for 15 : 30.

Back

5 : 10

Front

Find one equivalent ratio for 5 : 8.

Back

15 : 24

Front

What is the ratio of school apps to game apps if Kelly has 10 apps: 5 school apps, 2 music apps, and 3 games?

Back

5 to 3

Front

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

Back

4 to 3

Front

How do you find an equivalent ratio?

Back

Multiply or divide both terms of the ratio by the same non-zero number.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

10 boys.

Front

What is the simplest form of the ratio 8:12?

Back

2:3.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much flour is needed for 9 cups of sugar?

Back

6 cups of flour.

Front

What does it mean for two ratios to be equivalent?

Back

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