Ratios & Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

If there are 30 kids who like grape juice, how many kids like pineapple juice if the ratio is 3:4?

Back

40 kids like pineapple juice.

Front

A cookie recipe calls for 2 eggs and 3 cups of flour. How many cups of flour are needed for 8 eggs?

Back

12 cups of flour.

Front

What is the ratio of chocolate chips to flour if a recipe uses 3 cups of flour and 2 cups of chocolate chips?

Back

The ratio is 2:3.

Front

Which of the following best describes a ratio?

Back

It's a comparison.

Front

If the ratio of moons to suns is 4:8, how can it be simplified?

Back

The simplified ratio is 1:2.

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

If a recipe requires 4 cups of sugar for every 2 cups of butter, what is the ratio of sugar to butter?

Back

The ratio is 2:1.

Front

How do you find an equivalent ratio?

Back

You can find an equivalent ratio by multiplying or dividing both terms of the ratio by the same number.

Front

If a class has a ratio of boys to girls as 5:3, how many girls are there if there are 25 boys?

Back

There are 15 girls.