Ratio

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 do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or in words (e.g., '3 to 2').

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls?

Back

The ratio of boys to girls is 13 to 10.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is the ratio of red marbles to violet marbles if there are 8 red and 10 violet marbles?

Back

The ratio of red marbles to violet marbles is 4:5.

Front

If the ratio of squares to triangles and circles is 3:15, what is the simplified ratio?

Back

The simplified ratio of squares to triangles and circles is 1:5.

Front

What is the ratio of triangles to circles if there are 3 triangles and 2 circles?

Back

The ratio of triangles to circles is 3:2.

Front

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

Back

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

Front

If there are 4 red apples and 3 green apples, what is the ratio of red apples to green apples?

Back

The ratio of red apples to green apples is 4:3.

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.