Vertical & Chip Model
Using vertical form & chip model, solve:
980-450
530
Using compensation/strip diagram , solve:
420-99
321
Using Arrow Way, solve:
300 − 247
53
Solve using a strategy of your choice, explain why you chose your strategy:
990-690
300
Using vertical form & chip model, solve:
739-216
523
Using compensation/strip diagram , solve:
780-698
82
Using Arrow Way, solve:
500-320
180
Solve using a strategy of your choice, explain why you chose your strategy:
600 − 437
163
Using vertical form & chip model, solve:
507-359
148
Using compensation/strip diagram , solve:
458-190
268
Using Arrow Way, solve:
600 − 465
135
Solve using a strategy of your choice, explain why you chose your strategy:
808 − 597
211