Let’s solve each subtraction problem step by step. We’ll go one at a time, carefully checking our work.
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First row:
1.
51 - 13
Start with 51. Take away 10 → 41. Then take away 3 more → 38.
✔ 51 - 13 =
38
2.
32 - 19
Think: 32 - 20 = 12, but we only took away 19 (one less), so add 1 back → 13.
Or: 32 - 10 = 22; 22 - 9 = 13.
✔ 32 - 19 =
13
3.
95 - 27
95 - 20 = 75; 75 - 7 = 68.
✔ 95 - 27 =
68
4.
50 - 43
50 - 40 = 10; 10 - 3 = 7.
✔ 50 - 43 =
7
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Second row:
5.
92 - 55
92 - 50 = 42; 42 - 5 = 37.
✔ 92 - 55 =
37
6.
61 - 58
This is close! 61 - 58 = 3 (because 58 + 3 = 61).
✔ 61 - 58 =
3
7.
74 - 48
74 - 40 = 34; 34 - 8 = 26.
✔ 74 - 48 =
26
8.
81 - 45
81 - 40 = 41; 41 - 5 = 36.
✔ 81 - 45 =
36
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Third row:
9.
21 - 17
21 - 10 = 11; 11 - 7 = 4.
Or: 17 + 4 = 21 → answer is 4.
✔ 21 - 17 =
4
10.
93 - 28
93 - 20 = 73; 73 - 8 = 65.
✔ 93 - 28 =
65
11.
40 - 23
40 - 20 = 20; 20 - 3 = 17.
✔ 40 - 23 =
17
12.
84 - 67
84 - 60 = 24; 24 - 7 = 17.
✔ 84 - 67 =
17
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All problems solved and checked!
Final Answer:
38, 13, 68, 7, 37, 3, 26, 36, 4, 65, 17, 17
Parent Tip: Review the logic above to help your child master the concept of subtraction with regrouping worksheet 1st.
