Proportional Relationships 7th grade

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Tags

CCSS.7.RP.A.2A

Front

How do you find the constant of proportionality?

Back

To find the constant of proportionality, divide one quantity by the other quantity in a proportional relationship.

Tags

CCSS.7.RP.A.2B

Front

If 4 pounds of grapes cost $24.36, what is the constant of proportionality?

Back

$6.09 per pound.

Tags

CCSS.7.RP.A.2B

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity of one.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a table does not represent a proportional relationship?

Back

It means that the ratios of the quantities in the table are not constant.

Tags

CCSS.7.RP.A.2A

Front

How can you determine if a relationship is proportional from a graph?

Back

A relationship is proportional if the graph is a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

Front

What is the formula for finding the constant of proportionality in a cost problem?

Back

Constant of proportionality = Total cost / Total quantity.

Tags

CCSS.7.RP.A.2B

Front

If 30 laps are completed in 10 minutes, what is the unit rate?

Back

3 laps per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the cost of one slice of pizza if a pizza with 8 slices costs $12?

Back

$1.50 per slice.

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1