Intro to Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

How can a ratio be expressed?

Back

A ratio can be expressed as 3:4, 3/4, or 3 to 4.

Front

What is the ratio of smiley faces to hearts if there are 4 smiley faces and 6 hearts?

Back

The ratio of smiley faces to hearts is 4:6.

Front

What is the ratio of hearts to total shapes if there are 6 hearts and 10 total shapes?

Back

The ratio of hearts to total shapes is 6:10.

Front

What is the missing number in the ratio table if the ratio is 3:7 and the known number is 9?

Back

The missing number is 21.

Front

Which of the following is NOT a way to write a ratio? 3=4, 3:4, 3/4, 3 to 4

Back

3=4 is NOT a way to write a ratio.

Front

If the ratio of cats to dogs is 2:3, how many cats are there if there are 15 dogs?

Back

There are 10 cats.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the quantities are reduced to their smallest whole number form.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how much flour is needed for 9 cups of sugar?

Back

You need 6 cups of flour.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole.