Column Addition of up to 3 Digits - With Regrouping (B) | Key ... - Free Printable

Educational worksheet: Column Addition of up to 3 Digits - With Regrouping (B) | Key .... Download and print for classroom or home learning activities.

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- Section A:
1) 789
2) 951
3) 767
4) 643

- Section B:
1) 991
2) 227
3) 312
4) 414
5) 962
6) 230
7) 951

- Section C:
1) The mistake is in the tens column. 5 + 0 = 5, but there is a carry-over of 1 from the units column (7 + 9 = 16), so it should be 5 + 0 + 1 = 6. The correct answer is 966.
2) The mistake is in the hundreds column. 0 + 4 = 4, but there is a carry-over of 1 from the tens column (8 + 2 = 10), so it should be 0 + 4 + 1 = 5. Also, the thousands column should have a 1 from the carry-over of the hundreds column (since 5 + 4 + 1 = 10). The correct answer is 510.

Parent Tip: Review the logic above to help your child master the concept of column addition year 3 worksheet.

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