Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How can ratios be expressed?

Back

Ratios can be expressed in three ways: as a fraction (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 red circles to blue stars if there are 7 red circles and 4 blue stars?

Back

The ratio of red circles to blue stars is 7:4.

Front

If there are 4 triangles and 3 squares, what is the ratio of triangles to squares?

Back

The ratio of triangles to squares is 4:3.

Front

Which of the following is NOT a way to represent a ratio: a fraction, a colon, or a word phrase?

Back

None. All of these are ways to write a ratio.

Front

In a fruit bowl with 4 apples, 2 bananas, and 5 pears, what is the ratio of pears to all fruit?

Back

The ratio of pears to all fruit is 5:11.

Front

If there are 4 birds and 6 snakes, what is the ratio of birds to total animals?

Back

The ratio of birds to total animals is 4:10.

Front

What is the simplest form of the ratio 4:10?

Back

The simplest form of the ratio 4:10 is 2:5.

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 is a part-to-part ratio?

Back

A part-to-part ratio compares different parts of a whole, such as the ratio of boys to girls in a class.