Addition
Subtraction
Rounding
more or less
100

7 + 9

16

100

17 - 8

9

100

Round 32 to the nearest 10

30

100

what is 10 more that 78

88

200

21 + 34

55

200

34 - 21

13

200

Round 78 to the nearest 10

80

200

what is 10 less than 53

43

300

76 + 27

103

300

43 - 29

14

300

Round 270 to the nearest 100

300

300

what is 100 more than 112

212

400

198 + 346

534

400

90 - 47

43

400

Round 445 to the nearest 10

450

400

What is 100 less than 871

771

500

888 + 507

1,395

500

252 - 177

75

500

Round 1,781 to the nearest 100

1, 800

500

What is 50 less than 184

134

M
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