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Worksheets

Rounding Numbers

Total questions: 110

Worksheet time: 55mins

Name
Class
Date
1.

Round off 45 768 to the nearest ten.

a)

45 760

b)

45 770

c)

45 780

d)

45 790

2.

Round off 55 760 to the nearest hundred.

a)

55 600

b)

55 700

c)

55 800

d)

55 900

3.

Round off 100 636 to the nearest thousand.

a)

100 000

b)

101 000

c)

100 600

d)

100 700

4.

Round off 220 758 to the nearest ten.

a)

220 000

b)

221 000

c)

220 700

d)

220 760

5.

Round off 799 099 to the nearest thousand.

a)

799 000

b)

790 000

c)

800 000

d)

900 000

6.

Round off 343 856 to the nearest hundred.

a)

343 800

b)

343 900

c)

343 000

d)

344 000

7.

Round off 700 777 to the nearest ten thousand.

a)

700 000

b)

700 700

c)

700 770

d)

800 000

8.

Round off 674 959 to the nearest ten thousand.

a)

670 000

b)

674 000

c)

680 000

d)

675 000

9.

Round off 430 890 to the nearest hundred thousand.

a)

500 000

b)

431 000

c)

430 000

d)

400 000

10.

Round off 765 290 to the nearest hundred thousand.

a)

600 000

b)

700 000

c)

800 000

d)

900 000

11.

Round off 112 111 to the nearest hundred.

a)

112 100

b)

112 000

c)

110 000

d)

112 200

12.

Round off 764 533 to the nearest thousand.

a)

760 000

b)

765 000

c)

764 000

d)

764 500

13.

Round off 700 437 to the nearest ten.

a)

700 400

b)

700 440

c)

700 000

d)

701 000

14.

Round off 235 654 to the nearest thousand.

a)

235 000

b)

236 000

c)

237 000

d)

238 000

15.

Round off 578 200 to the nearest ten thousand.

a)

570 000

b)

580 200

c)

580 000

d)

588 200

16.

Round off 197 051 to the nearest hundred thousand.

a)

300 000

b)

200 000

c)

100 000

d)

190 000

17.

Round off 397 526 to the nearest hundred.

a)

397 500

b)

397 000

c)

398 000

d)

390 000

18.

Round off 27 999 to the nearest ten.

a)

27 990

b)

27 900

c)

27 000

d)

28 000

19.

Round off 48 767 to the nearest thousand.

a)

48 700

b)

48 000

c)

49 000

d)

50 000

20.

Round off 434 111 to the nearest hundred thousand.

a)

300 000

b)

400 000

c)

500 000

d)

600 000

21.

87 is _______ when rounded off to the nearest ten.

a)

70

b)

80

c)

90

d)

100

22.

845 is __________ when rounded to the nearest hundred.

a)

800

b)

840

c)

850

d)

900

23.

309 768 when rounded off to the nearest hundred thousand become ______.

a)

300 000

b)

310 000

c)

400 000

d)

410 000

24.

2328 \approx  2000
This number rounded off to the nearest _________. 

a)

ten

b)

hundred

c)

thousand

d)

ten thousand

25.

366,456 when rounded to the nearest ten thousand is __________ .

a)

340 000

b)

350 000

c)

360 000

d)

370 000

26.

845 is __________ when rounded to the nearest hundred.

a)

800

b)

840

c)

850

d)

900

27.

At a barbecue party to celebrate the end of the year, 1,354 hot dogs were served.

Round the number of hotdogs to the nearest tens

a)

2,000

b)

1,300

c)

1,350

d)

1,360

28.

Which number is nearest to 100 000

a)

1 956

b)

5 487

c)

8 434

d)

5 999

e)

99 132

29.

Which number is between 8 000 and 9 000?

a)

1 956

b)

5 487

c)

8 434

d)

5 999

e)

99 132

30.

Which 4-digit number that would round off to 6 000?

a)

1 956

b)

5 487

c)

8 434

d)

5 999

e)

99 132

31.

Round off 7317 to nearest ten

(a)  

32.

Round off 8247 to nearest hundred

(a)  

33.

Round off 8725 to nearest thousand

(a)  

34.

Round off 8725 to nearest thousand

(a)  

35.

Round off 3299 to nearest ten

(a)  

36.

Round off 2072 to nearest hundred

(a)  

37.

Round off 4791 to nearest thousand

(a)  

38.

Round off 8257 to nearest ten

(a)  

39.

Round off 1837 to nearest hundred

(a)  

40.

Round off 9316 to nearest thousand

(a)  

41.

Round off 2496 to nearest ten

(a)  

42.

Round the number to its nearest hundred thousand. 271, 907

a)

400,000

b)

300,000

c)

200,000

d)

100,000

43.

Round the number to its nearest hundred thousand. 2, 457, 310

a)

200,000

b)

2, 400,000

c)

2, 500,000

44.

Round the number to its nearest hundred ten thousand. 6, 251, 000

a)

6, 000,000

b)

6, 300,000

c)

6, 250,000

45.

Round the number to its nearest millions. 4, 970, 674

a)

4, 000, 000

b)

5, 000, 000

c)

6, 000, 000

46.

Round the number to its nearest hundred thousand. 23, 386, 716

a)

24, 000, 000

b)

23, 000, 000

c)

23, 400, 000

47.
Round 29,056 to the nearest thousand.
a)
30,000
b)
29,000
c)
29,100
d)
29,60
48.
Round 945,103 to the nearest ten thousand.
a)
900,000
b)
945,000
c)
945,100
d)
950,000
49.
Round 34,923 to the nearest hundred.
a)
35,000
b)
34,000
c)
34,900
d)
34,920
50.
Round 216,788 to the nearest ten thousand.
a)
200,000
b)
220,000
c)
216,800
d)
210,000
51.
Which choice when rounded to the nearest hundred-thousand will result in 700,000? 
a)
731,996
b)
779,805
c)
790,334
d)
614,120
52.
Which choice when rounded to the nearest hundred-thousand will result in 2,400,000?
a)
2,470,834
b)
2,487,321
c)
2,319,417 
d)
2,437,777
53.
Round 151,222 to the nearest hundred-thousand
a)
151,000
b)
150,000
c)
200,000
d)
151,200
54.
Round 490,262 to the nearest ten-thousand
a)
490,300
b)
500,000
c)
490,000
d)
480,000
55.
Which choice when rounded to the nearest hundred will result in 19,700?
a)
19,729
b)
19,565
c)
19,637 
d)
19,778
56.

How many significant figures are there in 1008 grams?

a)

1

b)

2

c)

3

d)

4

57.

How many significant figures are there in 0.0054 grams?

a)

2

b)

3

c)

4

d)

5

58.

How many significant figures are there in 0.020 meters?

a)

1

b)

2

c)

3

d)

4

59.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
60.

What is 78.5 rounded to one significant figure?

a)

8

b)

70

c)

79

d)

80

61.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

62.

Round 1047.78 to three significant figures.

a)

104

b)

105

c)

1050

d)

1050.00

63.

What is 375.6523 to four significant figures.

a)

375.0

b)

375.00

c)

375.7

d)

375.6

64.

Round 345 000 to 1 s.f

a)

400 000

b)

3

c)

300 000

d)

350 000

65.

Round 2095 to 2 s.f

a)

21

b)

2000

c)

2100

d)

3000

66.

Round 0.000019 to 1 s.f

a)

0.000020

b)

0.00001

c)

0.00002

d)

0.0002

67.

Round 1.08945 to 3 s.f

a)

1.089

b)

1.090

c)

1.09

d)

1.08

68.

Round off 35.089 to 1 significant figures.

a)

4

b)

30

c)

40

d)

40.000

69.

Round off 1.03028 to 4 significant figures.

a)

1.030

b)

1.0302

c)

1.03000

d)

1.03020

70.

Round off 96.011 to 3 significant figures.

a)

90

b)

96

c)

96.0

d)

96.000

71.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
72.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
73.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
74.

What is 78.5 rounded to one significant figure?

a)

79

b)

8

c)

78

d)

80

75.

Round 1289 to three significant figures

a)

1290

b)

130

c)

1300

d)

129

76.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

77.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

78.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

79.

What is 7.555 rounded to two significant figures?

a)

7.6

b)

7.5

c)

70

d)

76

e)

7.60

80.
Round 52689 to 3 significant figures.
a)
526
b)
527
c)
52600
d)
52700
81.
Round 0.00258954 to 4 significant figures.
a)
0.0025
b)
0.002589
c)
0.002580
d)
0.002590
82.
Round 1235 to 2 significant figures.
a)
12
b)
1200
c)
1200.
d)
1200.00
83.

Round the following value to one significant figure...


8291

a)

8000

b)

9000

c)

7000

d)

8300

84.

What is 78.5 rounded to one significant figure?

a)

79

b)

78.5

c)

70

d)

80

85.

Round 509.96 to 4 significant figures

a)

509.9

b)

509.0

c)

510.0

d)

510

86.

What is 0.658 rounded to 1 significant figure?

a)

0

b)

0.66

c)

0.7

d)

0.658

e)

1

87.

Round 509.96 to 4 significant figures

a)

509.9

b)

509.0

c)

510.0

d)

510

88.

Round 0.010229 to four significant figures

a)

1022

b)

1023

c)

0.01023

d)

0.01022

89.

What is 375.6523 to four significant figures?

a)

375.0

b)

375.00

c)

375.7

d)

375.6

90.

Round 1047.78 to three significant figures.

a)

104

b)

105

c)

1050

d)

1050.00

91.

Round 1099 to three significant figures.

a)

1.10 x 103

b)

101

c)

1010

d)

1,000

e)

1100

92.

What is 7.555 rounded to two significant figures?

a)

7.6

b)

7.5

c)

70

d)

76

e)

7.60

93.

Round the following value to one significant figure...


15

a)

10

b)

20

c)

100

d)

2

94.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
95.
Round 7256.320004 to 8 significant figures.
a)
7256.3200
b)
7256.0000
c)
72563200
d)
72560000
96.

If the density of water is 1.00g/mL and you calculated 2.15g/mL, 2.16g/mL, and 2.20g/mL are your values precise, accurate, or both?

a)

Precise

b)

Accurate

c)

Both

97.

If the freezing point of water is 0.0 C and you calculated 0 C, -5 C, and 4 Cg/mL are your values precise, accurate, or both?

a)

Precise

b)

Accurate

c)

Both

98.

If the boiling point of water is 100.0 C and you calculated 100.1 C, 99.9 C, and 99.8 C are your values precise, accurate, or both?

a)

Precise

b)

Accurate

c)

Both

99.

How many significant figures are in 12?

a)

1

b)

2

c)

3

d)

4

100.

How many significant figures are in 486?

a)

1

b)

2

c)

3

d)

4

101.

How many significant figures are in 2,012?

a)

1

b)

2

c)

3

d)

4

102.

How many significant figures are in 102?

a)

1

b)

2

c)

3

d)

4

103.

How many significant figures are in 0.023?

a)

1

b)

2

c)

3

d)

4

104.

How many significant figures are in 0.003004?

a)

1

b)

2

c)

3

d)

4

105.

How many significant figures are in 11.0?

a)

1

b)

2

c)

3

d)

4

106.

How many significant figures are in 0.01040?

a)

1

b)

2

c)

3

d)

4

107.

How many significant figures are in 0.00400?

a)

1

b)

2

c)

3

d)

4

108.

How many significant figures are in 330?

a)

1

b)

2

c)

3

d)

4

109.

How many significant figures are in 2,040?

a)

1

b)

2

c)

3

d)

4

110.

How many significant figures are in 1,258,000?

a)

1

b)

2

c)

3

d)

4