7th grade Review:Ratio and Proportional Reasoning

This graph shows a proportional relationship between the number of

minutes (m) a cake factory operates and the total number of cakes

(c) packed. Select ALL True statement about the graph.

• Point P represents the total number of cakes packed

  in 4 minutes.

• The number of cakes packed in 1 minute is 60.

• The number of cakes packed in 6 minutes is 400.

• The factory can pack 40 cakes in zero minutes

Tags

CCSS.8.EE.B.5

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.1

The profit a hot dog vendor earned, in dollars, is proportional to the

number of hot dogs sold. This equation represents the proportional

relationship between the profit earned (p) and number of hot dogs (h)

sold.

p =2h

Enter the profit, in dollars, earned for each hot dog sold.

Tags

CCSS.7.RP.A.2B

Three bags of flour and two bags of sugar weigh 32 pounds. Four

bags of flour weigh 32 pounds. All bags of flour weigh the same, and

all bags of sugar weigh the same. What is the ratio of the weight of a

bag of flour to a bag of sugar?

• 1:2

• 2:1

• 4:1

• 8:1

• cannot be determined

Tags

CCSS.7.EE.B.3

This table shows a proportional relationship between x and y. Write the constant of proportionality (r).

Tags

CCSS.7.RP.A.2B

This table shows a proportional relationship between x and y. Select All equations represent the relationship between x and y.

Tags

CCSS.7.RP.A.2C

Kelli is buying a book at an online store. She can choose to use one of

the three deals that are shown in the image.The online store charges a flat rate of $3.99 for shipping. Kelli is

buying a book for $22.43. She could buy the same book with a hardcover for $1.50 more. Which option is the least expensive for Kelli?

• Buy the book without using any of the deals.

• Upgrade the book to hardcover, and use Deal #1.

• Order another small item for $3, and use Deal #2.

• Order another small item for $3, and use Deal #3.

Tags

CCSS.6.RP.A.3C

Katie buys a necklace for $14.50 plus a 6% tax. Sharon buys a

bracelet for $12 plus a 6% tax.

Enter the sum, in dollars, that Katie and Sharon paid, including tax.

Tags

CCSS.6.RP.A.3C

Select the table that represents a proportional relationship between x

and y

• A

• B

• C

• D

• none of the tables show proportional relationship

Tags

CCSS.7.RP.A.2D

Darius has a 24-ounce sports drink. He drinks 18 ounces.

Enter the percentage of ounces Darius has left of his sports drink.

Tags

CCSS.6.RP.A.3C