7.3B Rational Numbers Knowledge Check

1. The 17 students on the math team want to raise $483.62 to buy practice books. They have already raised $218.25.

If each student raises the same amount, how much more money must each student raise?

• $15.61

• $12.84

• $28.45

• $41.29

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7.3.B

A road construction crew was working under lights at night to pave a major state highway between Dallas and Hillsboro. 

The crew paved 3.7 miles on Monday, 4.5 miles on Tuesday, and 3.25 miles on Wednesday. 

What is the total number of miles of highway paved during these three nights?

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7.3.B

Mr. Franklin asked each of his 30 students to select their favorite radio station.

How many students chose Station M as their favorite radio station?

• 10

• 14

• 6

• 4

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7.3.B

Wendy had 35 tickets for games at a carnival. 

She used ⅕ of the tickets to play the ball-toss game.

She then used ½ of the remaining tickets to play the ring-toss game, in which she won 5 more tickets. 

How many tickets did Wendy have after playing these games?

• 7

• 19

• 14

• 28

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7.3.B

Javier worked 2.4 hours on Monday and 3.8 hours on Tuesday. His pay rate is $10.25 an hour. How much will he be paid, in dollars, for the two days?

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7.3.B

Ryan and his mother are making new curtains for his room. 

They need 5 ¾ yards of material for each of the 2 smaller windows and 7 ½ yards for each of the 2 larger windows.

How much material did they need for the 4 windows?

• 13 ¼ yd

• 17 ¼ yd

• 25 ½ yd

• 26 ½ yd

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7.3.B

The athletics department paid $1,417.50 for all the dinners at the spring sports banquet. 

If each dinner cost $13.50, how many dinners were purchased?

• 100

• 85

• 95

• 105

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7.3.B

Mr. Garner asked each of his 30 physical education students to select their favorite individual sport.

How many students chose golf as their favorite individual sport?

• 10

• 12

• 8

• 14

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7.3.B