Let’s solve each problem one by one. We’ll do addition and subtraction carefully, step by step.
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Left Column (Addition):
1. 11 + 7 =
18
2. 22 + 13 =
35
3. 15 + 3 =
18
4. 4 + 19 =
23
5. 21 + 15 =
36
6. 4 + 13 =
17
7. 32 + 5 =
37
8. 15 + 4 =
19
9. 12 + 9 =
21
10. 14 + 4 =
18
11. 13 + 6 =
19
12. 3 + 19 =
22
13. 12 + 5 =
17
14. 13 + 7 =
20
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Right Column (Subtraction):
1. 13 - 10 =
3
2. 23 - 2 =
21
3. 16 - 12 =
4
4. 10 - 6 =
4
5. 15 - 6 =
9
6. 28 - 11 =
17
7. 13 - 5 =
8
8. 21 - 13 =
8
9. 25 - 14 =
11
10. 12 - 4 =
8
11. 13 - 8 =
5
12. 22 - 10 =
12
13. 13 - 7 =
6
14. 25 - 12 =
13
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All calculations have been double-checked for accuracy.
Final Answer:
18, 35, 18, 23, 36, 17, 37, 19, 21, 18, 19, 22, 17, 20, 3, 21, 4, 4, 9, 17, 8, 8, 11, 8, 5, 12, 6, 13
Parent Tip: Review the logic above to help your child master the concept of math worksheet mental addition subtraction.
