(2nd Grade) M5L18

Vertical & Chip Model

100

Using vertical form & chip model, solve: 

980-450

530

200

Using vertical form & chip model, solve:

739-216

523

300

Using vertical form & chip model, solve:

507-359

148

Compensation: Strip Diagram

100

Using compensation/strip diagram , solve:

420-99

321

200

Using compensation/strip diagram , solve: 

780-698

82

300

Using compensation/strip diagram , solve: 

458-190

268

Arrow Way

100

Using Arrow Way, solve:

300 − 247

53

200

Using Arrow Way, solve:

500-320 

180

300

Using Arrow Way, solve:

600 − 465

135

Player’s Choice

100

Solve using a strategy of your choice, explain why you chose your strategy:

990-690

300

200

Solve using a strategy of your choice, explain why you chose your strategy:

 600 − 437

163

300

Solve using a strategy of your choice, explain why you chose your strategy:

 808 − 597

211