Adding In Chunks
Direction:
1. Keep the bigger number the same
2. Break the smaller number into ‘friendly’ chunks
3. Add the “friendly chunks” of the smaller number to the bigger number
1) 124 + 125 = _______
(100 + 20 + 4) + 125 = ____
125 + 100 = 225
225 + 20 = 245
245 + 4 = 249
Hence; 124 + 125 = 249
2) 34 + 45
3) 43 + 26
4) 264 + 228
5) 334 + 358 =
6) 352 + 569
7) 357 + 553 =
8) 664 + 267 =
9) 734 + 145
10)
243 + 546