Proportions and Unit rate

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate from a proportional relationship?

Back

To find the unit rate, divide the first quantity by the second quantity.

Tags

CCSS.7.RP.A.2B

Front

If a recipe requires 2 cups of flour for 5 servings, how many cups of flour are needed for 15 servings?

Back

6 cups

Tags

CCSS.6.RP.A.3B

Front

What is the constant of proportionality?

Back

The constant of proportionality is the factor that relates two proportional quantities.

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a table of values is proportional?

Back

A table is proportional if the ratios of the corresponding values are constant.

Tags

CCSS.7.RP.A.2A

Front

What is the formula to find the constant of proportionality?

Back

Tags

CCSS.7.RP.A.2B

Front

If it takes 4 cups of sugar to make 3 cakes, how many cakes can 1 cup of sugar make?

Back

Tags

CCSS.6.RP.A.3B

Front

What does it mean if a relationship is non-proportional?

Back

A non-proportional relationship does not have a constant ratio between the quantities.

Tags

CCSS.7.RP.A.2B

Front

How do you solve for a missing value in a proportion?

Back

Cross-multiply and then divide to find the missing value.

Tags

CCSS.7.RP.A.2C