Ratios and equivalent ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities.

Front

Write the ratio of 3 stars to 4 squares.

Back

3:4

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

What is the ratio of green marbles to yellow marbles if there are 3 green marbles and 1 yellow marble?

Back

3 to 1

Front

Find one equivalent ratio for 5:8.

Back

15:24

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 12 girls?

Back

8 boys.

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

Write the ratio of 10 oranges to 5 apples.

Back

10:5 or simplified to 2:1.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

What is the ratio of 12 to 16 in simplest form?

Back

3:4