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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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.

Tags

CCSS.6.RP.A.3A

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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for two ratios to be equivalent?

Back

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

Tags

CCSS.6.RP.A.3A

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.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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.

Tags

CCSS.6.RP.A.3A

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).