Proportional Relationships Mid Check

Are the two ratios proportional?

• YES

• NO

Answer explanation

Yes, both the top and bottom are multiplied by 3 meaning they are equivalent ratios

Tags

CCSS.7.RP.A.2A

Are the two ratios proportional?

• YES

• NO

Answer explanation

No, the top is multiplied by 4 and the bottom is multiplied by 5 meaning they are not equivalent ratios

Tags

CCSS.7.RP.A.2A

Is there a Proportional Relationship between the numbers in the chart?

• Yes

• No

Answer explanation

Yes, the points create a straight line that would go through the origin (0,0)

Tags

CCSS.7.RP.A.2A

Johnny read 280 pages in 4 hours.

How many pages per hour did Johnny read?

• 276

• 14

• 70

• 60

Answer explanation

$280\div4=70$ To find unit rate, we would divide the number of pages by the time to find how many pages he read in 1 hour

Tags

CCSS.7.EE.B.3

Samantha earned $90 for working six hours at a blueberry farm. What was Samantha's rate in dollars per hour?

• $15 per hour

• $20 per hour

• $12 per hour

• $30 per hour

Answer explanation

$90\div6=15$ To find unit rate, we would divide the number of pages by the time to find how many pages he read in 1 hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

At a baseball stadium, sixteen hot dogs are sold each minute. At this rate how many hot dogs are sold in 30 minutes?

• 260

• 500

• 80

• 480

Answer explanation

$16\times30=480$

The unit rate is 16 so we multiply that by the number of minutes in the question to get the total number sold.

Tags

CCSS.6.RP.A.3B

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

• 180 miles/3 hours

Answer explanation

To find the unit rate, we find the point for 1 hour, which was 60 miles

Tags

CCSS.8.EE.B.5

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Answer explanation

These are all equivalent ratios, if you multiply the numbers in the first column by 4 you get the numbers in the second column

Tags

CCSS.7.RP.A.2A

Which graph is non-proportional?

• A

• B

• C

• D

Answer explanation

D is the only graph that does not go through the origin.

Tags

CCSS.7.RP.A.2D

Is the graph proportional or non proportional?

• proportional

• non proportional

Answer explanation

The graph does not go through the origin (0,0)

Tags

CCSS.7.RP.A.2D