Chip Model
Vertical Way
Arrow Way
Mental Math
Free Choice Strategy
100

28+8

36

100

52+22

74

100

398+207

605

100

98+3

101

100

320+280

600

200

127+170=

297

200

211+95

306

200

227+183

410

200

158+10

168

200

328+286

614

300

228 + 164

392

300

216+192

408

300

299+399

698

300

237+100

337

300

424+288

712

400

371+133

504

400

164+745

909

400

221+498

719

400

99+67

166

400

546+198

744

500

404+ 259

663

500

566+245

811

500

378+210

588

500

98+88

186

500

680+230

910

M
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