Intro to Ratios

Front

What is a ratio?

Back

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

Front

How can ratios be expressed?

Back

Ratios can be expressed in several ways: as fractions (e.g., 1/2), with a colon (e.g., 1:2), or in words (e.g., '1 to 2').

Front

What is the ratio of dogs to all pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

The ratio of dogs to all pets is 2:11.

Front

If there are 10 apples and 6 bananas, what is the ratio of apples to bananas?

Back

The ratio of apples to bananas is 10:6.

Front

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

Back

3=4 is NOT a valid way to express a ratio.

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

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 7:5.

Front

What is the simplest form of the ratio 10:6?

Back

The simplest form of the ratio 10:6 is 5:3.

Front

How do you find the total number of items when given a ratio?

Back

To find the total number of items, add the parts of the ratio together.

Front

What does it mean if a ratio is expressed as 1:1?

Back

A ratio of 1:1 means that the two quantities are equal.