Rates, Ratios, and Proportions

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 similar quantities with different 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 different quantities with the same units of measure.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio 4:6.

• 1:2

• 2:3

• 3:4

• 5:6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve for x: 3/5 = x/15.

• 9

• 18

• 12

• 5

Tags

CCSS.7.RP.A.2B

Interpret the table below:

Time (minutes) to Distance (miles)

10 to 2

20 to 4

30 to 6

• 1 to 5

• 5 to 1

• 2 to 10

• 4 to 20

If 250 students were surveyed, how many chose Rock and Reggae?

• 100

• 80

• 125

• 120

Find the unit rate: 240 miles in 4 hours.

• 120 miles per hour

• 60 miles per hour

• 40 miles per hour

• 30 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio 15:25.

• 3:5

• 10:15

• 5:3

• 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve for x: 2/3 = x/9.

• 6

• 8

• 4

• 2

Tags

CCSS.7.RP.A.2B

• 80 Hours

• 10 Hours

• 50 Hours

• 20 Hours

Tags

CCSS.6.RP.A.3B

If 600 students were surveyed, how many chose History as their favorite subject?

• 100

• 125

• 175

• 200