1. Number

Middle Years

Worksheet

1

Round the following numbers plotted on the number line to the nearest 100:

a

b

c

2

Round the following numbers to the nearest 10:

a

85

b

81

c

174

d

2076

e

1152

f

7

g

11\,207

h

106

i

47\,523

j

936

k

725\,817

l

5099

3

Round the following numbers to the nearest 100:

a

642

b

791

c

250

d

1181

e

4370

f

15\,575

g

65

h

25

i

968

j

2968

k

37\,920

l

4001

4

Round the following numbers to the nearest thousand:

a

3322

b

31\,835

c

96\,501

d

4214

e

7521

f

16\,600

g

17\,500

h

6\,400

i

11\,100

j

50\,025

k

550\,475

l

813\,244

5

Round 9\,264\,444 to the nearest million.

6

Three numbers have been rounded as follows:

- 2400 was rounded to 2400
- 3640 was rounded to 3600
- 3546 was rounded to 3500

Were the numbers rounded to the nearest ten, hundred or thousand?

7

Write three different numbers that round to 80 when rounded to the nearest ten.

8

Write three different numbers that round to 400 when rounded to the nearest hundred.

9

Round the following to the nearest whole number:

a

2.19

b

5.97

c

24.09

d

33.931

e

0.5

f

0.05

g

0.799

h

89.5

i

35.7

j

85.2

k

22.678

l

26.279

10

Round the following numbers to the nearest tenth:

a

0.53

b

0.20

c

8.55

d

9.89

e

95.19

f

143.837

g

889.925

h

38.2182

i

11.895\,72

j

5.99

k

64.582

l

391.82

11

Round the following numbers to the nearest hundredth:

a

7.84

b

0.500

c

6.725

d

0.0829

e

18.307

f

733.052

g

85.1446

h

61.794\,52

i

9.727\,54

j

2.897

k

328.864

l

14.285

m

67.001

n

0.007

o

12.999

p

99.999

12

Round the following numbers to the nearest thousandth:

a

3.0530

b

430.4875

c

992.6044

d

3.048\,00

e

0.022\,69

f

49.037\,49

g

9.9999

h

3.620\,52

13

Round the following to one decimal place:

a

0.41

b

8.35

c

79.38

d

0.3009

e

3.55

f

19.95

g

13.88

h

1.0099

i

0.30

j

6.65

k

524.621

l

2.99

14

Round the following to two decimal places:

a

2.697

b

393.586

c

0.435

d

7.3582

e

79.997

f

2.0029

g

149.955

h

0.099

i

8.525

j

61.109

k

6.168\,78

15

Round the following to three decimal places:

a

11.8483

b

2.159\,76

c

4.504\,13

d

1.599\,64

e

90.0335

f

0.5987

g

41.5005

h

9.9996

i

0.093\,84

j

808.5042

16

Round the following to four decimal places:

a

5.659\,64

b

5.600\,96

c

12.006\,65

d

39.999\,95

e

7.034\,500

f

0.041\,454

g

99.097\,906

h

9.999\,99

17

Round the following to the nearest five cents:

a

\$20.32

b

\$50.53

c

\$100.36

d

\$86.58

e

\$37.99

f

\$199.98

18

Luigi is paying with cash at the supermarket, and his shopping bill totals \$337.57. How much does he pay?

19

Irene is paying cash at the petrol station and the petrol meter reads \$75.79. How much does she pay?

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