Problem: Solve the addition problems with regrouping.
The task involves solving a series of addition problems where carrying over (regrouping) is required. Let's solve each problem step by step.
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First Row:
1.
24 + 17
- Add the ones place: \( 4 + 7 = 11 \). Write down 1 and carry over 1.
- Add the tens place: \( 2 + 1 + 1 = 4 \).
- Result:
41
2.
65 + 35
- Add the ones place: \( 5 + 5 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 6 + 3 + 1 = 10 \).
- Result:
100
3.
53 + 27
- Add the ones place: \( 3 + 7 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 5 + 2 + 1 = 8 \).
- Result:
80
4.
89 + 11
- Add the ones place: \( 9 + 1 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 8 + 1 + 1 = 10 \).
- Result:
100
---
####
Second Row:
5.
38 + 54
- Add the ones place: \( 8 + 4 = 12 \). Write down 2 and carry over 1.
- Add the tens place: \( 3 + 5 + 1 = 9 \).
- Result:
92
6.
74 + 26
- Add the ones place: \( 4 + 6 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 7 + 2 + 1 = 10 \).
- Result:
100
7.
43 + 48
- Add the ones place: \( 3 + 8 = 11 \). Write down 1 and carry over 1.
- Add the tens place: \( 4 + 4 + 1 = 9 \).
- Result:
91
8.
97 + 33
- Add the ones place: \( 7 + 3 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 9 + 3 + 1 = 13 \).
- Result:
130
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Third Row:
9.
65 + 16
- Add the ones place: \( 5 + 6 = 11 \). Write down 1 and carry over 1.
- Add the tens place: \( 6 + 1 + 1 = 8 \).
- Result:
81
10.
87 + 23
- Add the ones place: \( 7 + 3 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 8 + 2 + 1 = 11 \).
- Result:
110
11.
32 + 66
- Add the ones place: \( 2 + 6 = 8 \).
- Add the tens place: \( 3 + 6 = 9 \).
- Result:
98
12.
58 + 68
- Add the ones place: \( 8 + 8 = 16 \). Write down 6 and carry over 1.
- Add the tens place: \( 5 + 6 + 1 = 12 \).
- Result:
126
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Fourth Row:
13.
72 + 38
- Add the ones place: \( 2 + 8 = 10 \). Write down 0 and carry over 1.
- Add the tens place: \( 7 + 3 + 1 = 11 \).
- Result:
110
14.
24 + 67
- Add the ones place: \( 4 + 7 = 11 \). Write down 1 and carry over 1.
- Add the tens place: \( 2 + 6 + 1 = 9 \).
- Result:
91
15.
86 + 56
- Add the ones place: \( 6 + 6 = 12 \). Write down 2 and carry over 1.
- Add the tens place: \( 8 + 5 + 1 = 14 \).
- Result:
142
16.
59 + 49
- Add the ones place: \( 9 + 9 = 18 \). Write down 8 and carry over 1.
- Add the tens place: \( 5 + 4 + 1 = 10 \).
- Result:
108
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Final Answers:
\[
\boxed{
\begin{array}{cccc}
41 & 100 & 80 & 100 \\
92 & 100 & 91 & 130 \\
81 & 110 & 98 & 126 \\
110 & 91 & 142 & 108 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of double digit addition with regrouping worksheets.
