Unit 2 Review - Proportional Reasoning

Unit 2 Review - Proportional Reasoning

Writing Ratios

• Circle the word to, to separate the two questions.

• There are 24 cats and 30 dogs at the animal shelter. What is the ratio of dogs to cats?

• 30 to 24

• Simplify the ratio (2, 5, 11, 3, 7)

• 5 to 4

Multiple Choice

4 out of 5 people prefer Bulldogs over Gators. What is the ratio of Bulldog fans to Gator Fans?

• 4 to 5

• 4 to 1

• 4 to 9

• 5 to 9

Multiple Choice

You have a bag of yellow and green marbles. There are 24 total marbles in the bag and 16 are yellow. What is the ratio of green to total?

• 2 to 3

• 3 to 2

• 1 to 3

• 1 to 2

Multiple Choice

You have a bag of yellow and green marbles. There are 24 total marbles in the bag and 16 are yellow. What is the ratio of green to yellow?

• 2 to 3

• 3 to 2

• 1 to 3

• 1 to 2

Multiple Choice

You have a bag of yellow and green marbles. There are 6 yellow marbles and 10 green marbles. What is the ratio of yellow to total marbles?

• 3 to 8

• 8 to 3

• 6 to 10

• 10 to 16

Multiple Choice

You have a bag of yellow and green marbles. There are 6 yellow marbles and 10 green marbles. What is the ratio of green to yellow marbles?

• 6 to 10

• 10 to 6

• 5 to 8

• 8 to 5

Unit Rate

• per, each, every, a = the number 1

• Set up your table, cross multiply and divide.

• You bought 6 bags of chips for $12, how much did you pay per bag?

• 12 x 1 = 12 / 6 = $2 per bag

Multiple Choice

Samantha drove 75 miles in one hour. How far did she travel in a minute?

• 1 mile

• 1.25 miles

• 1.5 miles

• 2 miles

Multiple Choice

Frankie made $350 after working 40 hours. How much does Frankie get paid per hour?

• $8

• $8.25

• $8.50

• $8.75

Multiple Choice

Jack bought 17 hamburgers for $55.25. How much did he pay per burger?

• $3.25

• $3.00

• $3.15

• $3.35

Multiple Choice

You paid $16.56 for 12 pairs of socks. How much did you pay per pair of socks?

• $1.37

• $1.38

• $1.39

• $1.40

Multiple Choice

You traveled 426 miles in 6 hours. How far did you travel per hour?

• 71

• 72

• 73

• 74

Equivalent Ratios

• Set up your table

• Cross multiply and Divide

• There are 2 girls for every 3 boys in PE. If there are 12 girls, how many boys are there?

• 3 x 12 = 36 divided by 2 = 18

Multiple Choice

What is the missing value?

• 10

• 12

• 20

• 21

Multiple Choice

While training for a hotdog eating contest, Sally could eat 22 hotdogs in 2 minutes. If she continues at the same, how many hotdogs should she be able to eat in 7 minutes?

• 44

• 66

• 77

• 11

Multiple Choice

The cookie recipe calls for 2 cups of sugar for every 3 cups of flour. If you use 6 cups of sugar, how much flour do you need?

• 9

• 6

• 4

• 12

Multiple Choice

7 out of 10 people chose to go to Stone Mountain Christmas. If they asked 900 people, how many went to Stone Mountain?

• 700

• 630

• 640

• 490

Multiple Choice

The ratio of cat to dog owners is 4 to 5. If 20 people say they are cat people, how many should say they are dog people?

• 16

• 20

• 25

• 45

Percent

• Set up your table

• Cross multiply and divide

Multiple Choice

You spent 30% of your money. If you spent $60, how much did you have?

• $15

• $18

• $100

• $200

Multiple Choice

You parents made $90 at your family yard sale. They let you have 25%. How much did you get?

• $22.50

• $360

• $36

• $225

Multiple Choice

You got 56 questions correct on an 80 question test. What was your grade as a percent?

• 56%

• 80%

• 70%

• 65%

Multiple Choice

Frank ran 85% of the race. If he ran 12.75 miles, how long was the total race?

• 18

• 20

• 15

• 11

Multiple Choice

You got 17 questions correct out of a 20 question quiz. What was your grade as a percent?

• 85%

• 80%

• 90%

• 75%

Measurement Conversions

• Keep equivalent measurements together on your table. EX 12 inches = 1 foot should stay together.

• Cross multiply and divide

Multiple Choice

10 centimeter is equal to 1 decimeter. How many centimeters are equal to 543.72 decimeters?

• 5.4372

• 54.372

• 5,437.2

• 54,372

Multiple Choice

Jill ran 5 kilometers in 32.05 minutes. How long did it take her to run 1 kilometer?

• 6.41

• 0.16

• 6.61

• 0.14

Multiple Choice

There are 2.54 centimeters in an inch. If your phone is 5 inches long, but cases are sold in centimeter dimensions. What is the length of your phone in centimeters?

• 12.7

• 1.96

• 0.508

• 13

Multiple Choice

There are 1,000 meters in 1 kilometer. A lap around the track is 400 meters. What is that distance in kilometers?

• 4

• 40

• 0.04

• 0.4

Multiple Choice

There are 16 cups in a gallon. If you have 56 cups of juice, how many gallon jugs can you fill?

• 3

• 3.5

• 3.05

• 4