Quiz about Decimals Operations

Question 1

7.9 + 18.72

Accepted Answer

26.62

Answer

2662

Answer

1

Answer

25.62

Question 2

Find the sum 3.35 + 1.4 + 3.65

Accepted Answer

8.4

Answer

8.9

Answer

8.22

Answer

8.43

Question 3

89.34 + 98

Accepted Answer

187.34

Answer

100

Answer

Apples

Answer

18734

Question 4

567.004 + 89.9

Accepted Answer

656.904

Answer

Pickles

Answer

656904

Answer

6569.04

Question 5

4 + 3.76 =

Accepted Answer

7.76

Answer

3.80

Answer

4.16

Answer

3.72

Question 6

45 + 12.4

Accepted Answer

57.4

Answer

12.85

Answer

1.285

Answer

Question 7

.4 + .4

Accepted Answer

.8

Answer

8

Answer

.16

Answer

0

Question 8

What is the rule for adding decimals?

Accepted Answer

Line up the decimals first, then fill in with zeros.

Answer

<em></em><em></em>Add first

Answer

Move the decimal to the right the total amount of numbers after the decimal.

Answer

<em></em><em></em>Subtract

Question 9

3 + 1.2

Accepted Answer

4.2

Answer

3.3

Answer

.42

Answer

42

Question 10

54.26 + 785.2

Accepted Answer

839.46

Answer

78.36

Answer

83,946

Answer

8394.6

Question 11

7.9 - 3.47 =

Accepted Answer

4.43

Answer

11.37

Answer

3.32

Answer

4.37

Question 12

7.05 - 4.6 =

Accepted Answer

2.45

Answer

3.65

Answer

11.65

Answer

11.45

Question 13

94 - 4.8 =

Accepted Answer

89.2

Answer

5.4

Answer

90.80

Answer

98.8

Question 14

2 - 0.43 =

Accepted Answer

1.57

Answer

0.45

Answer

0.41

Answer

2.43

Question 15

123.6 - 0.08 =

Accepted Answer

123.52

Answer

123.2

Answer

122.8

Answer

124.4

Question 16

0.2 x 0.8

Accepted Answer

0.16

Answer

16

Answer

0.016

Answer

1.6

Question 17

7.13 x 5.5

Accepted Answer

39.215

Answer

3.9215

Answer

392.15

Answer

3921.5

Question 18

5.78 x 3.5

Accepted Answer

20.23

Answer

0.223

Answer

2.23

Answer

22.3

Question 19

45.1 x 7

Accepted Answer

315.7

Answer

31.57

Answer

3,157

Answer

3.157

Question 20

One kilometer is about .62 mile. It is 12 kilometers from Noah's house to tthe ice skating rink. About how many miles is it from Noah's house to the ice skating rink?

Accepted Answer

7.44 miles

Answer

74.4 miles

Answer

0.744 miles

Answer

84.4 miles

Question 21

Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?

Accepted Answer

34.16 miles

Answer

3.41 miles

Answer

8.54 miles

Answer

341.6 miles

Question 22

0.18 x 2.0

Accepted Answer

0.36

Answer

3.6

Answer

36

Answer

0.036

Question 23

If you multiply 0.73 by 2.52, how many times would you move the decimal?

Accepted Answer

4 times to the left

Answer

2 times to the left

Answer

3 times to the left

Answer

5 times to the left

Question 24

4 x 0.03

Accepted Answer

0.12

Answer

12

Answer

120

Answer

0.012

Question 25

20.16 X 4.5 =

Accepted Answer

90.72

Answer

81.45

Answer

42.15

Answer

99.15

Question 26

35.24 X 2.6 =

Accepted Answer

91.624

Answer

99.524

Answer

42.678

Answer

48.951

Question 27

What is 0.15 x 0.60?

Accepted Answer

0.09

Answer

45

Answer

0.456

Answer

0.123

Question 28

10.3 x 2 =

Accepted Answer

20.6

Answer

2.06

Answer

20.46

Answer

204.6

Question 29

19.9 x 0.87 =

Accepted Answer

17.313

Answer

173.13

Answer

7.11

Answer

71.1

Question 30

How many digits will be behind the decimal in the product?
0.15 x 0.6

Accepted Answer

3

Answer

0

Answer

1

Answer

2

Question 31

Add the decimal into this number:
2.39 x 4.37 = 104443

Accepted Answer

10.4443

Answer

104.443

Answer

10444.3

Answer

1.04443

Question 32

55.492929 x 0

Accepted Answer

55.492929

Answer

55.0101

Answer

0

Answer

None of these

Question 33

1000.8288282 x 1

Accepted Answer

1000.8288282

Answer

1

Answer

0

Answer

1000

Question 34

Do you have to line up the decimals when you multiply?

Accepted Answer

No

Answer

Yes

Question 35

Aretha runs a marathon in 3.25 hours. Neal takes 1.6 times as long to run the same marathon. How many hours does it take Neal to run the marathon?

Accepted Answer

5.2 hours

Answer

6.2 hours

Answer

3.2 hours

Answer

4.2 hours

Question 36

Oliver bought 7 bags of candy. Each bag costs $1.50. How much money did he have to pay?

Accepted Answer

$10.50

Answer

$7.50

Answer

$8.50

Answer

$105.00

Question 37

Sarah jogged 4.8 miles each day for 22 days last month.  How many miles did Sarah jog in total?

Accepted Answer

105.6 miles

Answer

110 miles

Answer

88.16 miles

Answer

26.8 miles

Decimals Operations

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