Quiz about Operations with Decimals

Question 1

Mrs. Baltazar's drove 39.6 miles. She drove 2.2 miles each day. How many days did she drive 2.2 miles?

Accepted Answer

18 days

Answer

41.8 days

Answer

87.12 days

Answer

37.4 days

Question 2

Ali grew 2.3 inches this school year and Mary grew 2.38 inches. How much did they grow all together?

Accepted Answer

4.68 inches

Answer

.08 inches

Answer

2.5 inches
2.58 inches

Answer

5.68 inches

Question 3

.26 x 8.1

Accepted Answer

2.106

Answer

.2106

Answer

21.06

Answer

8.36

Question 4

1.6 x 2.8

Accepted Answer

4.48

Answer

4.4

Answer

448

Answer

44.8

Question 5

Sam bought 9.1 yards of fabric for $18.79. About how much was the cost per yard?

Accepted Answer

$2

Answer

$1

Answer

$4

Answer

$3

Question 6

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

Accepted Answer

$1.28

Answer

$6.16

Answer

$12.80

Answer

$0.13

Question 7

0.3 x 0.5

Accepted Answer

0.15

Answer

1.5

Answer

15

Answer

150

Question 8

16.3 - 4.156

Accepted Answer

12.144

Answer

12.244

Answer

12.454

Answer

13.144

Question 9

45.1 x 7

Accepted Answer

315.7

Answer

31.57

Answer

3,157

Answer

3.157

Question 10

$54.99 + $4.65 =

Accepted Answer

$59.64

Answer

$95.64

Answer

$50.34

Answer

$58.34

Question 11

4 + 3.76 =

Accepted Answer

7.76

Answer

3.80

Answer

4.16

Answer

3.72

Question 12

2-0.43=

Accepted Answer

1.57

Answer

0.45

Answer

0.41

Answer

2.43

Question 13

14 - 8.9

Accepted Answer

5.1

Answer

7.5

Answer

6.9

Answer

10.3

Question 14

0.6 x 0.91

Accepted Answer

0.546

Answer

0.9

Answer

9

Answer

5.460

Question 15

Find the difference $18- 3.55

Accepted Answer

$14.45

Answer

$14.55

Answer

$14.41

Answer

$14.56

Question 16

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?

Accepted Answer

$45.68

Answer

$44.98

Answer

$154.23

Answer

$645.66

Question 17

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?

Accepted Answer

$7.98

Answer

$5.48

Answer

$6.92

Answer

$8.21

Question 18

Kaylee lives 1.34 miles from school. She biked 0.75 miles, but then her bike tire went flat, so she had to walk the rest of the way. How far did Kaylee walk?

Accepted Answer

.59 miles

Answer

1.005 miles

Answer

2.09 miles

Answer

1.79 miles

Question 19

Josh bought one T-shirt for $7.90 and another T-shirt for $12.40. What is the total amount he spent?

Accepted Answer

$20.30

Answer

$4.00

Answer

$4.50

Answer

$20.00

Question 20

A sea horse travels an average of 0.01 miles per hour. At that rate, how far can a sea horse travel in 2.4 hours?

Accepted Answer

0.024 mile

Answer

2.4 mile

Answer

24 mile

Answer

240 mile

Question 21

Holiday, Florida had 9.2 inches of rain in April and 4.3 inches of rain in May. What is the difference in rainfall between the two months?

Accepted Answer

4.9 inches

Answer

13.5 inches

Answer

3.9 inches

Answer

3 inches

Question 22

Patrick had a board that was 54 inches long. He cut off 22.5 inches for a project. How many inches of the board remain?

Accepted Answer

31.5 in.

Answer

30 in.

Answer

32.5 in.

Answer

40 in.

Question 23

One meter is approximately equal to 39.39 inches. About how many inches are in 5 meters?

Accepted Answer

200

Answer

80

Answer

120

Answer

150

Question 24

Mr. Shaw wants to replace the flooring in his family room. The floor has an area of 262.8 square feet. If the room is 18 feet long, how wide is it?

Accepted Answer

14.6 feet

Answer

14 feet

Answer

324 square feet

Answer

15.4 feet

Question 25

42 - 6.5

Accepted Answer

35.5

Answer

2.3

Answer

23

Answer

36.5

Question 26

25.62 divided by 1.2

Accepted Answer

21.35

Answer

213.5

Answer

2.135

Answer

22.36

Question 27

55.78 + 4.6 =

Accepted Answer

60.38

Answer

60.28

Answer

55.32

Answer

56.44

Question 28

8.7+12.8

Accepted Answer

21.5

Answer

20.5

Answer

4.1

Answer

13.5

Question 29

2.876 + 14.9

Accepted Answer

17.776

Answer

3.025

Answer

16.776

Answer

2.025

Question 30

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

Accepted Answer

.27

Answer

27

Answer

9.73

Answer

4.78

Operations with Decimals

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