Proportional Relationships

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 unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if 3 pounds of apples cost $3.60, the unit rate is $3.60 ÷ 3 = $1.20 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the equation for a proportional relationship?

Back

The equation for a proportional relationship can be expressed as y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

If a job pays $56 for 8 hours of work, how much does it pay per hour?

Back

$7 per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does the equation p = 0.8L represent?

Back

It represents the price p (in dollars) of a piece of nylon rope that is L meters long, where the cost per meter is $0.80.

Tags

CCSS.HSF.LE.B.5

Front

How do you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratios of the corresponding values are constant.

Tags

CCSS.7.RP.A.2A

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities.

Tags

CCSS.7.RP.A.2B

Front

If concrete building blocks weigh 28 pounds each, what equation relates the number of blocks (b) to the total weight (w)?

Back

28b = w.

Tags

CCSS.6.EE.C.9

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 per one unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2