Let’s solve each addition problem step by step. We’ll go row by row, left to right.
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Row 1:
- 9 + 10 = 19
- 2 + 3 = 5
- 8 + 9 = 17
Row 2:
- 4 + 5 = 9
- 6 + 7 = 13
- 2 + 2 = 4
Row 3:
- 5 + 5 = 10
- 3 + 4 = 7
- 7 + 8 = 15
Row 4:
- 6 + 6 = 12
- 8 + 8 = 16
- 9 + 9 = 18
Row 5:
- 5 + 6 = 11
- 7 + 7 = 14
- 1 + 1 = 2
Row 6:
- 4 + 4 = 8
- 10 + 11 = 21
- 1 + 2 = 3
Row 7:
- 3 + 3 = 6
- 10 + 10 = 20
- 3 + 3 = 6
Row 8:
- 5 + 5 = 10
- 3 + 3 = 6
- 2 + 2 = 4
Row 9:
- 1 + 2 = 3
- 9 + 9 = 18
- 5 + 6 = 11
Row 10:
- 8 + 8 = 16
- 3 + 3 = 6
- 3 + 3 = 6
Row 11:
- 2 + 2 = 4
- 3 + 3 = 6
- 7 + 7 = 14
Row 12:
- 1 + 2 = 3
- 9 + 10 = 19
- 7 + 7 = 14
Row 13:
- 4 + 5 = 9
- 7 + 7 = 14
- 5 + 5 = 10
Row 14:
- 8 + 8 = 16
- 2 + 3 = 5
- 6 + 7 = 13
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All calculations have been double-checked for accuracy.
Final Answer:
19, 5, 17,
9, 13, 4,
10, 7, 15,
12, 16, 18,
11, 14, 2,
8, 21, 3,
6, 20, 6,
10, 6, 4,
3, 18, 11,
16, 6, 6,
4, 6, 14,
3, 19, 14,
9, 14, 10,
16, 5, 13
Parent Tip: Review the logic above to help your child master the concept of plus one math worksheet.
