2016 SOL 6.12 Applying Ratios/Proportional reasoning

Determine which of the following are proportional.

a. 3/5 and 2:4

b. 16 to 8 and 4/2

c. 16:48 and 32 to 96

d. 24:8 and 16:4

e. 51:17 and 27 to 9

• Only B

• A, B and C

• B, C and E

• A, C, D and E

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Solve for the unknown in the equivalent ratios.
3/4 = 9/?

• 8
• 10
• 4
• 12

Tags

CCSS.6.RP.A.3A

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18
• 12
• 4
• 15

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

At the animal shelter, the ratio of dogs to cats is 12 to 16. If there are 48 dogs, how many cats are there?

• 48

• 28

• 64

• 52

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.7.RP.A.2

Which of these describes the unit rate?

• a unit of measure
• a fraction with a numerator of one
• a fraction with a denominator of one
• a proportion

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CCSS.7.RP.A.1

CCSS.7.RP.A.2

A bus traveled 150 miles in 3 hours. At what average rate did the bus travel?

• 150 miles per hour
• 75 miles per hour
• 50 miles per hour
• 450 miles per hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Find the unit rate of 40 meters in 16 seconds

• 0.4 meters per second
• 0.4 seconds per meter
• 2.5 meters per second
• 640 meters per second

Tags

CCSS.7.RP.A.1

Find the unit rate of $7.96 for 5 pounds of jolly ranchers. 

• $0.63 per pound
• 1.59 pounds
• $1.59 per pound

Tags

CCSS.7.RP.A.1