Identifying Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you simplify a ratio?

Back

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

Front

What does the ratio 4:3 mean?

Back

It means for every 4 units of the first quantity, there are 3 units of the second quantity.

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 is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Front

How do you express a ratio in fraction form?

Back

A ratio can be expressed as a fraction by placing the first quantity over the second quantity, e.g., 4:3 can be written as 4/3.

Front

What is the total number of parts in the ratio 5:3?

Back

The total number of parts is 5 + 3 = 8.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

If there are 15 girls, then there are 10 boys (2/3 of 15 is 10).

Front

What is the ratio of pears to all fruits if there are 5 pears, 4 apples, and 2 bananas?

Back

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

Front

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

Back

The ratio of flour to sugar is 2:3.