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Solving Mathematical and Real-World Problems Involving All Forms of Rational Numbers

Authored by Barbara White

Mathematics

7th - 9th Grade

CCSS covered

Solving Mathematical and Real-World Problems Involving All Forms of Rational Numbers
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8 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A factory produced a batch of handheld video games, but 4% of the games were found to be defective. If the batch had 250 games in all, how many games in the batch were not defective?

10

100

150

240

Tags

CCSS.6.RP.A.3C

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

A rectangle is 12 feet long and 5 feet wide. If the length of the rectangle is increased by 25% and the width is decreased by 20%, what is the change in the area of the rectangle?

0

5

12

20

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Melissa and Joey enjoyed dinner at a restaurant. They paid the waiter $100.50 plus a 20% tip. How much did each person pay if they split the total bill in half?

$60.30

$70.00

$75.10

$100.00

Tags

CCSS.7.EE.B.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On Monday, a company stock closed at a price of $30.80 per share. On Tuesday, it increased by $1.20 per share. On Wednesday, it fell by 6.25%. On Thursday, it fell by another 4%, and on Friday, it increased by 2.5%. What is the net change in the stock price from Monday to Friday?

-$1.28

-$0.40

$0.40

$2.00

Tags

CCSS.7.NS.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A factory produced a batch of handheld video games, but 4% of the games were found to be defective. If the batch had 250 games in all, how many games in the batch were not defective?

240

150

100

10

Tags

CCSS.6.RP.A.3C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A plastic bin contains red, yellow, and green key chains. Out of 350 key chains, 10% percent are yellow. Of the remaining key chains, 3/5 are green. How many red key chains are inside the bin?

26

35

126

189

Tags

CCSS.7.EE.B.3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melissa and Joey enjoyed dinner at a restaurant. They paid the waiter $100.50 plus a 20% tip. How much did each person pay if they split the total bill in half?

$60.30

$70.00

$75.10

$100.10

Tags

CCSS.7.EE.B.3

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