Show:
Adding with Regrouping
Subtraction with Regrouping
3-Digit Addition with Regrouping
3-Digit Subtraction with Regrouping
100

64 + 39

103

100

34 - 15

19

100

149 + 364

513

100

456 - 123

333

200

58 + 67

125

200

64 - 42

22

200

456 + 863

1319

200

345 - 248

97

300

34 + 58

92

300

34 - 29

5

300

789 + 456

1245

300

459 - 126

333

400

75 + 12

87

400

95 - 36

59

400

453 + 125

578

400

904 - 868

36
500

96 + 49

145

500

47 - 38

9

500

458 + 123

581

500

459 - 127

332