Mid Topic 3 Review

1. A situation represents a proportional relationship if for all x and y pairs, y/x is equal.

• True

• False

Tags

CCSS.7.RP.A.2D

2. Ana runs 3/4 mile in 1/10 hour. Assuming she runs at a constant rate, what is her speed, in miles per hour?

• 2/15 miles per hour

• 7.5 miles per hour

• 3/40 miles per hour

• 7 miles per hour

Tags

CCSS.7.RP.A.1

3. A trail mix recipe includes granola, oats, and almonds. There are 135 calories in a 1/4 cup serving of trail mix. How many calories are in 2 cups of trail mix? Do NOT label your answer.

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Does this table show a proportional relationship? If so, what is the constant of proportionality?

x | y

-------

40|8

50|10

60|12

70|14

• yes, 1/5

• yes, 5

• yes, 10

• no

Tags

CCSS.7.RP.A.2B

5. Janet, Rosi, and Tanya buy postcards from their favorite souvenir shop. Janet buys 3 postcards for $1.05. Rosi buys 5 post cards for $1.75. Tanya buys 8 postcards for $2.80. Are the cost, y, in dollars and the number of postcards, x, proportional? If so, write an equation to represent the relationship.

• The relationship is not proportional.

• The relationship is proportional. x = 0.35y

• The relationship is proportional. y = 0.35x

• The relationship is proportional. y = 2.86x

Tags

CCSS.7.RP.A.2A

6. Four movie tickets cost $30.00. Five concert tickets cost $36.50. Do the movie or concert tickets cost less per ticket? How much less?

• Movie, $6.50

• Movie, $0.20

• Concert, $6.50

• Concert, $0.20

Tags

CCSS.6.RP.A.3B

Sophia runs 1/4 mile in 2/3 hour. Assuming she runs at a constant rate, what is her speed, in miles per hour?

• 2/11 miles per hour

• 0.4 miles per hour

• 1/6 miles per hour

• 6 miles per hour

Tags

CCSS.7.RP.A.1

A trail mix recipe includes granola, oats, and almonds. There are 220 calories in a 1/4 cup serving of trail mix. How many calories are in 2 cups of trail mix? Do NOT label your answer.

Tags

CCSS.6.RP.A.3B

Does this table show a proportional relationship? If so, what is the constant of proportionality?

x | y

-------

10|20

15|30

20|40

25|50

• yes, 2

• yes, 0.5

• yes, 4

• no

Tags

CCSS.7.RP.A.2B

5. Adel, Velma, and Dean buy postcards from their favorite souvenir shop. Adel buys 4 postcards for $1.60. Velma buys 6 post cards for $2.40. Tanya buys 9 postcards for $3.60. Are the cost, y, in dollars and the number of postcards, x, proportional? If so, write an equation to represent the relationship.

• The relationship is not proportional.

• The relationship is proportional. x = 0.40y

• The relationship is proportional. y = 0.40x

• The relationship is proportional. y = 2.50x

Tags

CCSS.7.RP.A.2A