Percents Ratios and Rates

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is 20% of 75?

• 15

• 60

• 6

• 1.5

Tags

CCSS.6.RP.A.3C

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2:5

• 5:3

• 3:5

• 5:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

If 50 is 25% of a number, what is the number?

• 200

• 100

• 150

• 250

Answer explanation

To find the number, divide 50 by 25% (or 0.25). 50 ÷ 0.25 = 200. Therefore, the number is 200.

Tags

CCSS.6.RP.A.3C

If 8 is 40% of a number, what is the number?

• 20

• 10

• 15

• 25

Answer explanation

To find the number, divide 8 by 0.40 (40%). 8 ÷ 0.40 = 20. Therefore, the number is 20.

Tags

CCSS.6.RP.A.3C

A comparison of two quatities. Ex: 1 teacher for 12 students.

• Rational

• Ratio

• Rate

• Proprotion

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A person ate 2400 calories in a day. Of these, 36% came from fat. How many calories came from fat?

• 984

• 830

• 1142

• 864

Tags

CCSS.6.RP.A.3C

A quarterback completed 68% of his passes in a game. He threw 25 passes. How many passes did the quarterback complete?

• 18

• 17

• 15

• 20

Tags

CCSS.6.RP.A.3C

What is the most important thing you need to know about ratio and rate?

• The order of the numbers matters.

• The bigger number always go first

• You can't compare two different units.

• Unit rates are always ratios with the number "2" as the second number.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2