Let’s solve each addition problem step by step. We’ll add the two numbers in each column and write the answer in the box below.
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First row:
1. 66 + 25
→ 60 + 20 = 80, 6 + 5 = 11 → 80 + 11 =
91
2. 34 + 48
→ 30 + 40 = 70, 4 + 8 = 12 → 70 + 12 =
82
3. 28 + 47
→ 20 + 40 = 60, 8 + 7 = 15 → 60 + 15 =
75
4. 58 + 25
→ 50 + 20 = 70, 8 + 5 = 13 → 70 + 13 =
83
5. 12 + 28
→ 10 + 20 = 30, 2 + 8 = 10 → 30 + 10 =
40
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Second row:
6. 47 + 49
→ 40 + 40 = 80, 7 + 9 = 16 → 80 + 16 =
96
7. 37 + 28
→ 30 + 20 = 50, 7 + 8 = 15 → 50 + 15 =
65
8. 57 + 48
→ 50 + 40 = 90, 7 + 8 = 15 → 90 + 15 =
105
9. 48 + 13
→ 40 + 10 = 50, 8 + 3 = 11 → 50 + 11 =
61
10. 34 + 47
→ 30 + 40 = 70, 4 + 7 = 11 → 70 + 11 =
81
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Third row:
11. 56 + 27
→ 50 + 20 = 70, 6 + 7 = 13 → 70 + 13 =
83
12. 38 + 42
→ 30 + 40 = 70, 8 + 2 = 10 → 70 + 10 =
80
13. 17 + 54
→ 10 + 50 = 60, 7 + 4 = 11 → 60 + 11 =
71
14. 82 + 18
→ 80 + 10 = 90, 2 + 8 = 10 → 90 + 10 =
100
15. 35 + 25
→ 30 + 20 = 50, 5 + 5 = 10 → 50 + 10 =
60
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Fourth row:
16. 27 + 23
→ 20 + 20 = 40, 7 + 3 = 10 → 40 + 10 =
50
17. 62 + 39
→ 60 + 30 = 90, 2 + 9 = 11 → 90 + 11 =
101
18. 13 + 27
→ 10 + 20 = 30, 3 + 7 = 10 → 30 + 10 =
40
19. 76 + 19
→ 70 + 10 = 80, 6 + 9 = 15 → 80 + 15 =
95
20. 18 + 36
→ 10 + 30 = 40, 8 + 6 = 14 → 40 + 14 =
54
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Final Answer:
91, 82, 75, 83, 40,
96, 65, 105, 61, 81,
83, 80, 71, 100, 60,
50, 101, 40, 95, 54
Parent Tip: Review the logic above to help your child master the concept of addition worksheet with carrying.
