7th Grade Unit 1 Lesson 3 Check for Understanding

Johnny read 280 pages in 4 hours.

How many pages per hour did Johnny read?

• 276

• 14

• 70

• 60

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Does the table represent a proportional relationship?

• Yes.
• No.

Does the table represent a proportional relationship?

• Yes.
• No.

If the ratio of honey to flour is proportional, how many tbsp of honey is needed for 20 cups of flour?

Click on table to enlarge if needed.

• 2

• 18

• 25

• 16

The ratio of pounds to price is proportional. Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Is the ratio of y to x a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3
• Yes; 3
• Yes; 5
• No

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

The ratio of money to hours is proportional. What is the constant of proportionality?

• $3
• $4
• $2
• $9

Sam goes on a hike and walks at a pace of 2 miles per hour. Which rates are equivalent to 2 miles per hour?

• walking ¾ of a mile in 3/10 of an hour

• walking 1½ miles in ¾ of an hour

• walking 3/5 of a mile in 1½ hours