Show:
Addition
Subtraction
Compensation
Missing Number
Balancing Equations
100

460 + 200

660

100

240 - 190

50

100

700 - 463

237

100

7 + __ = 10

3

100

4 + 5 = 5 + ___

4

200

756 + 136

892

200

617 - 229

388

200

300 - 106

194

200

53 + __ = 100

47

200

6 + 9 = 5 + ___

10

300

267 + 545

812

300

423 - 169

254

300

400 - 179

221

300

____ - 440 = 518

958

300

410 - 190 = 420 - ____

200

400

899 + 311

1,210

400

731 - 609

122

400

800 - 478

322
400

570 - __ =290

280

400

750 - 180 = ___ - 200

770