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Constant of Proportionality and Unit Rates

Authored by Rachel Fitzgerald

Mathematics

7th Grade

CCSS covered

Used 10+ times

Constant of Proportionality and Unit Rates
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Janet used 155 beads to create 5 necklaces. What is the constant of proportionality? (How many beads did she use to make each necklace?)

31

160

150

775

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Is the given table a proportional relationship? If so, what is the constant?

Yes; 1/3

Yes; 3

No

Yes; 0.3 repeating

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which equation is a proportional relationship?

y= 4x + 1

y= 5x-10

y= 0.5x - 4

y=7x

Tags

CCSS.7.RP.A.2C

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What mathematical operation does unit rates involve?

addition
subtraction
multiplication
division

Tags

CCSS.7.EE.B.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the cost of 3 pounds of flour if you can buy 6 pounds for $8.56?

$5.56
$4.28
$1.43
$2.78

Tags

CCSS.6.RP.A.3B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What letter stands for "constant of proportionality"?

y
x
b
k

Tags

CCSS.7.RP.A.2B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

2.5 cups milk
1.75 cups milk
2 cups flour
2.25 cups milk

Tags

CCSS.7.RP.A.2A

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