Let's solve each subtraction problem step by step. This worksheet is designed to help practice basic subtraction skills with numbers up to 40.
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Solutions:
1.
30 - 20 = 10
(30 minus 20 equals 10)
2.
35 - 15 = 20
(35 minus 15 equals 20)
3.
30 - 10 = 20
(30 minus 10 equals 20)
4.
39 - 20 = 19
(39 minus 20 equals 19)
5.
27 - 13 = 14
(27 minus 13: 27 - 10 = 17, then 17 - 3 = 14)
6.
42 - 9 = 33
(42 minus 9: 42 - 10 = 32, then add back 1 → 33)
7.
30 - 15 = 15
(30 minus 15 equals 15)
8.
29 - 25 = 4
(29 minus 25 equals 4)
9.
33 - 19 = 14
(33 minus 19: 33 - 20 = 13, then add back 1 → 14)
10.
20 - 10 = 10
(20 minus 10 equals 10)
11.
32 - 21 = 11
(32 minus 21 equals 11)
12.
30 - 15 = 15
(Same as #7: 30 minus 15 equals 15)
13.
22 - 14 = 8
(22 minus 14: 22 - 10 = 12, then 12 - 4 = 8)
14.
30 - 10 = 20
(Same as #3: 30 minus 10 equals 20)
15.
25 - 20 = 5
(25 minus 20 equals 5)
16.
22 - 15 = 7
(22 minus 15: 22 - 10 = 12, then 12 - 5 = 7)
17.
39 - 13 = 26
(39 minus 13: 39 - 10 = 29, then 29 - 3 = 26)
18.
37 - 17 = 20
(37 minus 17 equals 20)
19.
40 - 20 = 20
(40 minus 20 equals 20)
20.
31 - 16 = 15
(31 minus 16: 31 - 10 = 21, then 21 - 6 = 15)
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✔ Final Answers:
1. 10
2. 20
3. 20
4. 19
5. 14
6. 33
7. 15
8. 4
9. 14
10. 10
11. 11
12. 15
13. 8
14. 20
15. 5
16. 7
17. 26
18. 20
19. 20
20. 15
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✔ All problems solved! These are foundational subtraction facts that build number sense and mental math skills. Let me know if you'd like a printable version or explanations for any specific problem.
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet two.
