Rates and Proportional Reasoning

What is a unit rate?

• A unit rate is a ratio that compares two different quantities with no units of measure.

• A unit rate is a ratio that compares two different quantities with the same units of measure.

• A unit rate is a ratio that compares two different quantities with different units of measure.

• A unit rate is a ratio that compares two similar quantities with different units of measure.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio 4:6.

• 5:6

• 1:2

• 2:3

• 3:4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 5 pens cost $10, what is the cost of 8 pens?

• $12

• $16

• $18

• $14

Tags

CCSS.6.RP.A.3B

Find the constant of proportionality in the equation y = 3x.

• 3

• 1

• 4

• 2

Tags

CCSS.7.RP.A.2B

If 2 apples weigh 300 grams, how much do 5 apples weigh?

• 750 grams

• 900 grams

• 600 grams

• 1500 grams

Tags

CCSS.6.RP.A.3B

Solve the proportion: 3/5 = x/15.

• 2

• 9

• 6

• 12

Tags

CCSS.7.RP.A.2B

What is a proportional relationship?

• A proportional relationship is a relationship between two variables where their sum is constant.

• A proportional relationship is a relationship between two variables where their ratio is random.

• A proportional relationship is a relationship between two variables where their difference is constant.

• A proportional relationship is a relationship between two variables where their ratio is constant.

Tags

CCSS.7.RP.A.2A

If 4 books can be read in 6 days, how many books can be read in 10 days?

• 15

• 2

• 6

• 8

Tags

CCSS.6.RP.A.3B

Find the constant of proportionality in the equation y = 2x + 1.

• 2

• 4

• 3

• 5

Tags

CCSS.7.RP.A.2B

If 3 shirts cost $45, what is the cost of 7 shirts?

• $105

• $60

• $80

• $25

Tags

CCSS.6.RP.A.3B