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Operations with Decimals

Authored by Marybeth Lyons

Mathematics

6th - 7th Grade

10 Questions

CCSS covered

Used 88+ times

Operations with Decimals
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1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

On Tuesday, Mr. Rodriguez bought a new video game system for $345.67. On Friday, the system went on sale for $299.99. How much money could Mr. Rodriguez have saved if he would have bought the system on Friday?

$44.98
$154.23
$645.66
$45.68

Tags

CCSS.6.NS.B.3

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

You buy $4.73 worth of food. You pay with a $5 bill. How much change should you receive? 

$27

$0.27

$9.73

$4.78

Answer explanation

Be sure to line up your decimals and add zeros if needed.

The decimal on 5 is at the end, so it is 5.

Tags

CCSS.6.NS.B.3

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

If I make $10.50 an hour and work 4 hours how much do I make?

$42.24

$42.04

$40.24

$42.00

Tags

CCSS.7.EE.B.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

Justin made $46 mowing lawns during the summer. He went to the movies and spent $16.54, the arcade and spent $8.50, and the comic book store and spent $12.98. How much money does he have left?

$7.98
$5.48
$6.92
$8.21

Answer explanation

First, find out how much he spent in total.

Then, subtract that from his "starting" money.

Tags

CCSS.6.NS.B.3

5.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Sarah bought 2.5 meters of fabric to make a patchwork quilt. If the fabric was on sale for $6.20 per meter, how much did Sarah spend?

$15.50
$155
$15.65
$1.55

Tags

CCSS.7.EE.B.3

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

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Leena bought 22 boxes of crayons for $28.16. How much did she pay for each box of crayons?

$1.28
$6.16
$12.80
$0.13

Answer explanation

EACH also means, how much is it for one box. To find this you must divide.

$28.16 divided by 22

Tags

CCSS.6.NS.B.3

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Yesterday I went to 7-11 and purchased 4 candy bars that were $1.25 each and 6 packs of gum that were $2.75 each. How much did I have to pay the cashier, before tax?

$7.50

$21.50

$5.00

$16.50

Answer explanation

1) Find the cost of the candy bars. (x)

2) Find the cost of the gum. (x)

3) Add the two costs.

Tags

CCSS.7.NS.A.3

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