Show:
Subtraction without Regrouping
Subtraction with Regrouping
Subtraction with ZERO
Addition 2 digit
Addition 3 digit
100

 9-3=

6

100

31-9=

22

100

40-15=

25

100

25+14=

39

100

123+456=

579

200

32-21=

 

11

200

85-47=

38

200

80-52=

28

200

47+26=

73

200

257+45=

302

300

48-22=

26

300

488-229=

259

300

450-128=

322

300

88+19=

107

300

803+187=

990

400

500-300=

200

400

851-291=

560

400

404-122=

282

400

47+74=

121

400

975+966=

1,941

500

496-133=

363

500

521-138=

383

500

500-136=

364

500

98+99=

197

500

999+999=

1,998