Break Apart One Number
Adding Up
Regrouping
Compensation
Drawing Models
100

474 - 119

355

100

Finley is adding up to solve 400 - 279. She makes her first jump backwards from 400. Is she right?

No, she should have made her first jump forwards from 279.

100

553 - 316

237

100

800 - 517

799 - 516 = 283

100

429 - 165

264

200
453 - 134

319

200

654 - 334

320

200

323 - 194

129

200

700 - 455

699 - 454 = 245

200

359 - 167 

192

300

686 - 289

289

300

400 - 279

121

300

635 - 287

348

300

302 - 176

299 - 173 = 127

300

527 - 384

143

400

502 - 321

181

400

721 - 314

407

400

345 - 185

160

400

800 - 691

799 - 690 = 109

400

673 - 245

428

500

Isaac earned 631 points in a video game. He traded 475 points for a special power. How many points does Saif have left?

156

500

There are some people in at Wolf's birthday. 124 of them leave. There are 535 people left. How many people were at the party to start?

659

500

Parker made 616 bracelets and 668 necklaces. He sells 269 bracelets. How many bracelets are left?

347 bracelets

500

910 - 186

899 - 175 = 724

500

429 - 341 = 88

529 - 241 = 288

Write and solve the next problem in the pattern.

629 - 141 = 488