Intro to Ratio and Equivalent Ratios

Front

What is a ratio?

Back

A comparison of two quantities using division.

Front

What does equivalent mean?

Back

Equal.

Front

How can you write the ratio of 2 to 3?

Back

Front

If there are 3 blue marbles and 5 yellow marbles, what is the ratio of blue to yellow?

Back

3 to 5.

Front

What is the ratio of red to yellow marbles if there are 2 red and 5 yellow?

Back

2 to 5.

Front

What is the missing number in the ratio 12:__ = 3:1?

Back

4.

Front

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

Back

6 cups of sugar.

Front

What is the ratio of 10 apples to 5 oranges?

Back

2 to 1.

Front

If the ratio of boys to girls in a class is 4:5, how many boys are there if there are 20 girls?

Back

16 boys.

Front

What is the ratio of 15 to 25 in simplest form?

Back

3 to 5.