Quiz about Operations with Decimals

Question 1

156.34 x 10 =

Accepted Answer

1,563.4

Answer

15,634

Answer

15.634

Question 2

2.7 x 10

Accepted Answer

27

Answer

270

Answer

0.27

Answer

0.027

Question 3

0.085 x 100

Accepted Answer

8.5

Answer

0.85

Answer

85

Answer

850

Question 4

4.96 x 10

Accepted Answer

49.6

Answer

496

Answer

.496

Answer

4960

Question 5

17.5 x 1000

Accepted Answer

17,500

Answer

1.75

Answer

175

Answer

0.175

Question 6

2.398 x 10³

Accepted Answer

2398

Answer

239.8

Answer

23980

Answer

23.98

Question 7

Solve.
7.652 x 100

Accepted Answer

765.2

Answer

7.652

Answer

76.52

Answer

.7652

Question 8

Which power of 10 will make this number sentence true?
0.4 x _____= 4

Accepted Answer

10

Answer

100

Answer

1,000

Answer

0

Question 9

1313. multiplied by 10

Accepted Answer

13130

Answer

1313

Answer

13.13

Answer

.1313

Question 10

32.32 multiplied by 100

Accepted Answer

3232

Answer

32.32

Answer

.3232

Answer

3.232

Question 11

0.74 x 10³

Accepted Answer

740

Answer

7.4

Answer

74

Answer

0.0074

Question 12

0.149 x 100

Accepted Answer

14.9

Answer

1.49

Answer

0.00149

Answer

1,490

Question 13

42.8 x 10²

Accepted Answer

4,280

Answer

42.80

Answer

428

Answer

0.428

Question 14

23.1 x 10

Accepted Answer

231

Answer

0.231

Answer

2.31

Answer

2,310

Question 15

43.2 x 10³

Accepted Answer

43,200

Answer

4.320

Answer

432

Answer

4,320

Question 16

0.0891 x 10⁴

Accepted Answer

891

Answer

8.91

Answer

8,910

Answer

89.1

Question 17

Multiply 62.397 by 10

Accepted Answer

623.97

Answer

6239.7

Answer

62.40

Answer

62397.0

Question 18

0.0867 x 100

Accepted Answer

8.67

Answer

86.7

Answer

0.867

Question 19

Mary biked 95.25 kilometers in 15 days. Which shows the average distance Mary biked each day?

Accepted Answer

6.35 kilometers

Answer

0.63 kilometers

Answer

65 kilometers

Answer

Not Here

Question 20

Evaluate

$$42.72\div1.2=$$

Accepted Answer

35.6

Answer

3.56

Answer

356

Answer

0.356

Question 21

A class of 32 students decorated a banner measuring 29.44 feet long. If they divided the banner into 32 sections of equal length and each student decorated a section, how much of the banner did each student decorate?

Accepted Answer

0.92 feet

Answer

Not here

Answer

12 feet

Answer

9.20 feet

Question 22

$$12.24\div1.2=$$

Accepted Answer

10.2

Answer

102

Answer

.099

Question 23

In 12 months a town received 44.52 inches of rain. What was the average monthly rainfall?

Accepted Answer

Not here

Answer

0.0371 inch

Answer

13.7 inches

Answer

0.371 inch

Question 24

Which of the following is 4.5 when rounded to the nearest tenth?

Accepted Answer

4.52

Answer

4.34

Answer

4.44

Answer

4.61

Question 25

Which of the following is 12 when rounded to the nearest whole number?

Accepted Answer

11.56

Answer

11.23

Answer

12.51

Answer

12.64

Question 26

Round the decimal 5.67 to the nearest tenth place.

Accepted Answer

5.7

Answer

5.5

Answer

5.6

Answer

5.8

Question 27

Round the decimal 3.257 to the nearest hundredth place.

Accepted Answer

3.26

Answer

3

Answer

3.24

Answer

3.25

Question 28

If a number was rounded to 35.7 what could have been the original number.

Accepted Answer

35.68

Answer

36.75

Answer

35.782

Answer

35.614

Question 29

Tyerra's weight at birth was 8.328 pounds. What is Tyerra's birth weight rounded to the nearest hundredth?

Accepted Answer

8.33 pounds

Answer

8.32 pounds

Answer

8 pounds

Answer

8.3 pounds

Question 30

Lillie's mom fills her car with 14.297 gallons of gas. What is this amount of gas rounded to the nearest whole number?

Accepted Answer

14

Answer

15

Answer

14.3

Answer

14.2

Question 31

One gallon is about 3.875 liters. What is this amount rounded to the nearest tenth?

Accepted Answer

3.9

Answer

3.88

Answer

4

Answer

3.8

Question 32

Round 23.542 to the nearest tenth.

Accepted Answer

23.5

Answer

23.6

Answer

23.54

Answer

23

Question 33

Round 47.941 to the nearest tenth.

Accepted Answer

47.9

Answer

48

Answer

47.91

Answer

48.1

Question 34

A number rounded to the nearest hundredth is 15.12. What could the original number have been?

Accepted Answer

15.118

Answer

15.128

Answer

15.127

Answer

15.113

Question 35

Thomas weighed 16.35 pounds at his last checkup. Between what two tenths does this number fall?

Accepted Answer

16.3 and 16.4

Answer

16.34 and 16.35

Answer

16.2 and 16.3

Answer

16 and 17

Question 36

When rounded to the nearest whole number, which value will NOT round to 35?

Accepted Answer

34.156

Answer

34.72

Answer

35.49

Answer

35.16

Question 37

Check ALL that make 194.000 when rounded to the nearest whole number.

Accepted Answer

193.625

Accepted Answer

193.972

Answer

194.526

Answer

193.160

Question 38

Which of the following is true?

Accepted Answer

1.72 rounded to the nearest tenth is 1.7

Answer

2.62 rounded to the nearest tenth is 2.7

Answer

3.41 rounded to the nearest whole number is 4

Answer

10.231 rounded to the nearest hundredth is 10.22

Question 39

Round 3.789 to the nearest hundredth.

Accepted Answer

3.79

Answer

3.78

Answer

3.80

Answer

3.789

Question 40

Which decimal becomes 7.8 when rounded to the nearest tenth?

Accepted Answer

7.81

Answer

7.86

Answer

7.90

Answer

7.99

Question 41

A medicine dropper holds 0.923 mL of liquid. What is the amount rounded to the nearest hundreth?

Accepted Answer

0.92 mL

Answer

0.90 mL

Answer

0.93 mL

Answer

0.9230 mL

Question 42

Anna wants to buy a cantaloupe at the grocery store. She weighs each one to determine the heaviest one. She rounds each weight to the nearest hundredth of a pound. Which cantaloupe will she buy?

Accepted Answer

cantaloupe D: 7.852 lbs.

Answer

cantaloupe A: 7.432 lbs.

Answer

cantaloupe B: 7.418 lbs.

Answer

cantaloupe C: 7.749 lbs.

Question 43

0.5 x 0.03

Accepted Answer

0.015

Answer

0.15

Answer

1.15

Answer

0.051

Question 44

3.2 x 5.4

Accepted Answer

17.28

Answer

172.80

Answer

15.28

Answer

15.80

Question 45

What is 0.15 x 0.60?

Accepted Answer

0.09

Answer

45

Answer

0.456

Answer

0.123

Question 46

0.2 x 0.8

Accepted Answer

0.16

Answer

16

Answer

0.016

Answer

1.6

Question 47

1.2 x 2.1

Accepted Answer

2.52

Answer

25.2

Answer

0.36

Answer

3.6

Question 48

0.2 x 0.8

Accepted Answer

0.16

Answer

16

Answer

0.016

Answer

1.6

Question 49

1.2 x 2.1

Accepted Answer

2.52

Answer

25.2

Answer

0.36

Answer

3.6

Question 50

0.3 x 0.5

Accepted Answer

0.15

Answer

1.5

Answer

15

Answer

150

Question 51

2.5 x 6.7

Accepted Answer

16.75

Answer

1.675

Answer

3.25

Answer

32.5

Question 52

Find the sum: 35.61 + 12.93

Accepted Answer

48.54

Answer

45.84

Answer

35.81

Answer

54.87

Question 53

Tamara is able to jump 17.6 feet. The world record in the long jump is 39.3 feet. What is the difference between the world record and the distance that Tamara can jump?

Accepted Answer

21.7

Answer

20.7

Answer

31.7

Answer

32.7

Question 54

What is the sum of 1.70+4.65?

Accepted Answer

6.35

Answer

2.95

Answer

5.35

Answer

a decimal

Question 55

987.4 - 321.70

Accepted Answer

665.7

Answer

665.07

Answer

605.7

Answer

1309.1

Question 56

55.78 + 4.6 =

Accepted Answer

60.38

Answer

60.28

Answer

55.32

Answer

56.44

Question 57

21 + 4.09 =

Accepted Answer

25.09

Answer

4.30

Answer

6.19

Answer

16.91

Question 58

2.98 + 5.3 =

Accepted Answer

8.28

Answer

2.51

Answer

3.63

Answer

2.37

Question 59

What does the 5 in the decimal .257 represent?

Accepted Answer

five hundredths

Answer

fifths

Answer

five tenths

Answer

fiftieths

Question 60

Find the sum.
2.98 + 5.3 = ____

Accepted Answer

8.28

Answer

2.51

Answer

3.63

Answer

2.37

Question 61

3,561.9 + 705.09

Accepted Answer

4266.99

Answer

4266.9

Answer

4266.09

Answer

4266.999

Question 62

55.78 + 4.6 =

Accepted Answer

60.38

Answer

60.28

Answer

55.32

Answer

56.44

Question 63

7.9 - 3.47 =

Accepted Answer

4.43

Answer

11.37

Answer

3.32

Answer

4.37

Question 64

What is the value of 9.4 - 3.12?

Accepted Answer

6.28

Answer

2.18

Answer

2.22

Answer

6.32

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