subtraction
2 digit additionno regrouoping
2 digit addition with regrouping
3 digit with no regroup
3 digit with regroup
100

5-1

4

100

12+22


34

100

58+65

123

100

122+11

133

100

196+328

524

200

17-3

14

200

25+23

48

200

59+12

71

200

330+355

685

200

564+49

613

300

12-6

6

300

36+23

59

300

42+48

90

300

120+400

520

300

486+235

721

400

19-5

14

400

56+11

67

400

25+47

72

400

300+350

650

400

497+155

652

500

20-5

15

500

89+5

94

500

86+27

113

500

484+412

896

500

846+137

983

M
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