Show:
1 digit addition/ subtraction
2 digit addition/ subtraction
3 digit addition/ subtraction
4 digit addition
100

9 + 8

17

100

10 + 12

22

100

126 + 762

888

100

1432 + 921

2353

200

12 + 6

18

200

18 - 15

3

200

654 - 379

275

200

3,862 + 129

3,991

300

9 - 4

5
300

37 - 14

23

300

843 + 459

1,302

300

1,000 + 4,000

5,000

400

8-4

4

400

49 + 28

77

400

593 - 421

172

400

8,351 + 1,254

9,605

500

9 + 9

18

500

89 + 92

181

500

963 + 963

1,926

500

8,976 + 5,486

14,462