7th grade math STAAR review (proportional reasoning set)

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• D

• A

• B

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• A

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• Brand W

• Brand X

• Brand Y

• Brand Z

A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate how many inches of steel wire are needed to make 1 spring?

• 1/3 inch

• 1/15 inch

• 2/3 inch

• 1 1/2 inches

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

Tareq pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

At a school carnival, tickets can be purchased to participate in different activities. The table shows the total cost for different number of tickets.

What is the constant of proportionality that relates to y, the total cost in dollars, to x, the number of tickets purchased?

• 4.00

• 0.25

• 1.00

• 0.10

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The cost of 3 pounds of grapes is $6.57. Therefore, the constant of proportionality is ​​​ (a)   ​​ in relation to the cost in dollars, y, to the number of pounds of grapes, x. ​

• 2.19
• 6.57
• 3
• not here

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

A bookstore offered mystery bags each containing 12 books. The quantity of each type of book was the same in each mystery bag. A shopper bought 3 mystery bags and found that 6 books were spy novels.

Based on this information, there will be ​ (a)   more spy noversl in ​ (b)   bags than in ​ (c)   bags

• 4
• 8
• 6
• 10
• 2
• 1
• 9

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The owner of a bookstore buys used books from customers for $1.50 each. The owner then resells the used books for400% of the amount he paid for them.

What is the price of a used book in this bookstore?

• $5.50

• $4.00

• $2.10

• $6.00

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3