Ratios and equivalent ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

Find one equivalent ratio for 2:3.

Back

4:6

Front

Find one equivalent ratio for 4:5.

Back

8:10

Front

What is the ratio of 10 apples to 5 oranges?

Back

2:1

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 12 girls?

Back

9 boys.

Front

What is the ratio of 15 to 30?

Back

1:2

Front

If there are 6 red marbles and 9 blue marbles, what is the ratio of red to blue marbles?

Back

2:3

Front

What is the ratio of 8 to 12 in simplest form?

Back

2:3

Front

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

Back

2:3