Show:
Adding by Breaking Apart
Subtracting by Breaking Apart
Your Choice of Solving- Could be Either Addition or Subtraction!
Adding by Regrouping
Subtracting by Regrouping
100

125+322

447

100

550-234

316

100

854+131

985

100

257+233

290

100

654-231

423

200

225+363

588

200

684-263

421

200

965-643

322

200

532+415

947

200

984-261

723

300
359+631

990

300

689-539

150

300

857-646

211

300

632+254

886

300

895-164

731

400

364+259

623

400

689-599

90

400

412+399

811

400

369+599

968

400

857-362

495

500

399+498

897

500

923-865

58

500

988-362

626

500

699+179

878

500

612-587

25