Addition
Solve using three different strategies (no traditional):
276 + 74
350
Solve using three different strategies (no traditional):
509 - 24
485
Solve using two different area models:
27 x 13
351
Solve using partial products:
53 divided by 4
13 R1
Solve using three different strategies (no traditional):
89 + 26
115
Solve using three different strategies (no traditional):
77 - 31
46
Solve using two different area models:
365 x 252
91, 980
Solve using partial products:
25 divided by 6
4 R1
Solve using three different strategies (no traditional):
523 + 298
821
Solve using three different strategies (no traditional):
824 - 355
469
Solve using two different area models:
17 x 30
510
Solve using partial products:
202 divided by 20
10 R2
Solve using three different strategies (no traditional):
1437 + 2643
4080
Solve using three different strategies (no traditional):
468 - 79
389
Solve using two different area models:
124 x 13
1612
Solve using partial products:
763 divided by 70
10 R 63