Addition facts
Multiples of 10
Near doubles
Written addition
Decimals
100

3 + 4

7

100

10 + 40

50

100

9 + 8

17

100

38 + 45

83

100

1.3 + 2.5

3.8

200

10 + 9

19

200

30 + 80

110

200

15 + 16

31

200

49 + 53

112

200

3.8 + 4.3

8.1

300

6 + 6

12

300

43 + 60

103

300

29 + 30

59

300

234 + 156

390

300

14.6 + 2.5

17.1

400

55 + 45

100
400

230 + 120

350

400

55 + 56

111

400

432 + 211 + 243

886

400

4.5 + 2.31

6.81

500

Double 38

76

500

86 + 50

136

500

88 + 87

175

500

543 + 34 + 187

764

500

2.7 + 1.58

4.28

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