Basic Addition and Subtraction

Addition

100

23 + 5 

28

200

34 + 3 

37

300

67 + 12

79

400

75 + 23

98

500

81 + 16

97

Addition 2

100

708 + 181

889

200

213 + 553

766

300

805 + 122

927

400

325 +114

439

500

789 + 210

999

Subtraction

100

88 - 23

65

200

27-13

14

300

45 - 32

13

400

98 - 74

24

500

89 - 45

44

Subtraction 2

100

765 - 425

10

200

998 - 344

654

300

567 - 123

444

400

975 - 824

151

500

456 - 210

246

Regrouping

100

25 + 37

62

200

75-26

49

300

745 + 122

867

400

978 - 486

492

500

455 + 327

782