Go Math - 6th Grade - Chapter 4 - Lesson 4

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

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

Front

What is the simplest form of the ratio 20:14?

Back

The simplest form of the ratio 20:14 is 10:7.

Front

If a recipe uses 4 cups of sugar for every 5 cups of flour, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 4:5.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of 12 loaves of wheat bread to 7 loaves of rye bread?

Back

The ratio of wheat bread to rye bread is 12:7.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

How can you express a ratio as a fraction?

Back

A ratio can be expressed as a fraction by writing the first quantity as the numerator and the second quantity as the denominator.

Front

What is the relationship between ratios and proportions?

Back

A proportion states that two ratios are equal, showing that two fractions represent the same value.

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 28 students in total?

Back

If the ratio is 3:4, there are 12 boys (3 parts out of 7 total parts).