Ratios & Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number.

Front

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

Back

The ratio of sugar to flour is 2:3.

Front

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

Back

The ratio of chocolate chips to flour is 2:3.

Front

If 30 kids like grape juice and the ratio of kids who like grape juice to those who like pineapple juice is 3:4, how many kids like pineapple juice?

Back

40 kids like pineapple juice.

Front

What is an equivalent ratio to 5:4?

Back

An equivalent ratio to 5:4 is 25:20.

Front

How can you express the ratio 4:5 in words?

Back

You can express the ratio 4:5 as '4 to 5'.

Front

If a recipe requires 2 eggs for 1 batch of cookies, how many eggs are needed for 3 batches?

Back

6 eggs are needed for 3 batches.

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.

Front

If a class has 40 students and the ratio of boys to girls is 1:1, how many boys and girls are there?

Back

There are 20 boys and 20 girls.