Show:
Addition with Regrouping
Addition without Regrouping
Subtraction with Regrouping
Subtraction without Regrouping
100

22+9 

31

100

34+22

56

100

81-9

72

100

79-26

53

200

345+58

403

200

932+56

988

200

552-26

526

200

499-53

446

300

567+185

752

300

746+253

999

300

948-267

681

300

657-245

412

400

1348+473

1821

400

5814+185

5999

400

4306-533

3773

400

1589-357

1232

500

861,347+5,689

867,036

500

951,231+6,456

957,687

500

987,016-8,018

978,998

500

319,968-5,246

314,722