Module 1 Mid-Module Review

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, 3/4 and 12/16 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 for 3/4, multiply both terms by 4 to get 12/16.

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 20:12 can be simplified to 5:3.

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 20:12, divide both by 4 to get 5:3.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another. It can be expressed in different forms, such as fractions, decimals, or with a colon.

Front

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

Back

The ratio of red to yellow LEGOS is 1:2, which is the simplest form of 3:6.

Front

If a bag of popcorn costs $3, how much would 20 bags cost?

Back

If one bag costs $3, then 20 bags would cost 20 x 3 = $60.

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

What is the numerator in the ratio 3:4?

Back

In the ratio 3:4, the numerator is 3.

Front

How do you write a ratio in fraction form?

Back

To write a ratio in fraction form, place the first quantity over the second quantity. For example, the ratio 5:3 can be written as the fraction 5/3.