Ratios and Equivalent 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

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms of the ratio by their greatest common factor (GCF).

Front

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

Back

The ratio of sugar to flour is 2:3.

Front

What is the ratio of 4 apples to 2 oranges?

Back

The ratio of 4 apples to 2 oranges can be simplified to 2:1.

Front

If there are 10 boys and 15 girls in a class, what is the ratio of boys to girls?

Back

The ratio of boys to girls is 10:15, which simplifies to 2:3.

Front

How can you express the ratio of 5 red marbles to 10 blue marbles?

Back

The ratio of 5 red marbles to 10 blue marbles can be expressed as 1:2.

Front

What is the ratio of 3:4 in terms of fractions?

Back

The ratio 3:4 can be expressed as the fraction 3/4.

Front

If a car travels 60 miles in 1 hour, what is the ratio of distance to time?

Back

The ratio of distance to time is 60 miles to 1 hour, or 60:1.

Front

In a class of 30 students, if 12 are boys, what is the ratio of boys to total students?

Back

The ratio of boys to total students is 12:30, which simplifies to 2:5.