2 digit +
23 + 14
37
123 + 145
268
54 − 23
31
934 − 412
522
68 + 47
115
41 + 26
67
234 + 321
555
87 − 42
45
781 − 460
321
What strategy are we practicing this week
Expanded Form
39 + 58
97
278 + 465
743
71 − 46
25
913 − 587
326
654 + 389
1,043
47 + 38
85
389 + 576
965
83 - 57
26
725 − 468
257
When do we use this strategy
Adding or subtracting
56 + 29
85
497 + 238
735
64 − 29
35
702 − 486
216
806 − 479
327