Equivalent Ratios Practice

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, you can multiply or divide both terms of the ratio by the same non-zero number. For example, to find an equivalent ratio of 2:3, you can multiply both terms by 2 to get 4:6.

Front

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the numbers are reduced to their smallest whole number values. For example, the ratio 4:8 can be simplified to 1:2.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD). For example, to simplify 6:9, divide both by 3 to get 2:3.

Front

What is the ratio of red LEGOS to yellow LEGOS if there are 3 red and 6 yellow?

Back

The ratio of red to yellow LEGOS is 1:2.

Front

If a recipe calls for 2 eggs and 3 cups of flour, how many eggs are needed for 6 cups of flour?

Back

4 eggs are needed for 6 cups of flour.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions. For example, the ratio 3:4 can be written as the fraction 3/4.

Front

If 36 to 21 is equivalent to _____ to 7, what is the missing number?

Back

The missing number is 12.

Front

How do you set up a proportion?

Back

A proportion is an equation that states that two ratios are equal. To set it up, write the two ratios as fractions and set them equal to each other.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as miles per hour.