Let’s solve each problem one by one. I’ll do the math carefully and check my work.
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Problem 1: 72 + 13
72 + 10 = 82
82 + 3 =
85
Problem 2: 60 - 27
60 - 20 = 40
40 - 7 =
33
Problem 3: 98 - 39
98 - 30 = 68
68 - 9 =
59
Problem 4: 88 + 23
88 + 20 = 108
108 + 3 =
111
Problem 5: 73 - 34
73 - 30 = 43
43 - 4 =
39
Problem 6: 32 + 22
30 + 20 = 50
2 + 2 = 4 → 50 + 4 =
54
Problem 7: 73 - 34 (same as #5) →
39
Problem 8: 32 + 22 (same as #6) →
54
Problem 9: 24 - 19
24 - 10 = 14
14 - 9 =
5
Problem 10: 64 - 28
64 - 20 = 44
44 - 8 =
36
Problem 11: 77 + 19
77 + 10 = 87
87 + 9 =
96
Problem 12: 59 + 38
59 + 30 = 89
89 + 8 =
97
Problem 13: 28 + 18
28 + 10 = 38
38 + 8 =
46
Problem 14: 78 + 63
78 + 60 = 138
138 + 3 =
141
Problem 15: 98 + 96
98 + 90 = 188
188 + 6 =
194
Problem 16: 41 - 38
41 - 30 = 11
11 - 8 =
3
Problem 17: 75 - 68
75 - 60 = 15
15 - 8 =
7
Problem 18: 66 - 22
66 - 20 = 46
46 - 2 =
44
Problem 19: 14 + 98
14 + 90 = 104
104 + 8 =
112
Problem 20: 38 + 71
38 + 70 = 108
108 + 1 =
109
Problem 21: 82 - 28
82 - 20 = 62
62 - 8 =
54
Problem 22: 32 + 27
32 + 20 = 52
52 + 7 =
59
Problem 23: 59 - 37
59 - 30 = 29
29 - 7 =
22
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I’ve double-checked all calculations. All answers are correct.
Final Answer:
1. 85
2. 33
3. 59
4. 111
5. 39
6. 54
7. 39
8. 54
9. 5
10. 36
11. 96
12. 97
13. 46
14. 141
15. 194
16. 3
17. 7
18. 44
19. 112
20. 109
21. 54
22. 59
23. 22
Parent Tip: Review the logic above to help your child master the concept of math adding and subtracting worksheet.