A
B
C
D
E
100

Round off 23.97 to the nearest whole number

24

100

Round off 2345 to 1 significant figures

2000

100

Round off 3.457 to 1 decimal place

3.5

100

Round off 267.34 to 1 decimal place

267.3

100

Round off 0.0546 to 1 significant figures

0.05

200

25.7 + 3.8

29.5

200

123.6 + 9.7

133.3

200

28.97 + 2.2

31.17

200

567.2 + 3.56

570.76

200

256.9 + 32.45

289.35

300

36.25 - 6.5

29.75

300

125.6 - 27.9

97.7

300

3.6 - 1.25

2.35

300

28.36 - 4.65

23.71

300

8.2 - 3.75

4.45

400

9 x 3.65

32.85

400

0.06 x 2.3

0.138

400

19.4 x 3

58.2

400

64 x 2.3

147.2

400

1.5 x 2.6

3.9

500

32.5 : 0.5

65

500

8.7 : 0.02

435

500

32 : 0.2

160

500

23.4 : 0.3

78

500

34 : 0.04

850