Addition with regrouping worksheet for practicing two-digit addition problems.
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Step-by-step solution for: FREE Tracing Worksheets byWorksheets Library TM worksheets library
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Show Answer Key & Explanations
Step-by-step solution for: FREE Tracing Worksheets byWorksheets Library TM worksheets library
The task involves solving addition problems with regrouping (also known as carrying). Each problem consists of two 2-digit numbers that need to be added together. Let's solve each problem step by step.
```
67
+ 28
-----
95
```
- Add the ones place: \(7 + 8 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(6 + 2 + 1 = 9\).
```
47
+ 28
-----
75
```
- Add the ones place: \(7 + 8 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(4 + 2 + 1 = 7\).
```
88
+ 8
-----
96
```
- Add the ones place: \(8 + 8 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(8 + 0 + 1 = 9\).
```
58
+ 39
-----
97
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(5 + 3 + 1 = 9\).
```
38
+ 54
-----
92
```
- Add the ones place: \(8 + 4 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
```
18
+ 59
-----
77
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(1 + 5 + 1 = 7\).
```
57
+ 24
-----
81
```
- Add the ones place: \(7 + 4 = 11\). Write down 1 and carry over 1.
- Add the tens place: \(5 + 2 + 1 = 8\).
```
46
+ 37
-----
83
```
- Add the ones place: \(6 + 7 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(4 + 3 + 1 = 8\).
```
76
+ 9
-----
85
```
- Add the ones place: \(6 + 9 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(7 + 0 + 1 = 8\).
```
34
+ 59
-----
93
```
- Add the ones place: \(4 + 9 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
```
85
+ 9
-----
94
```
- Add the ones place: \(5 + 9 = 14\). Write down 4 and carry over 1.
- Add the tens place: \(8 + 0 + 1 = 9\).
```
75
+ 15
-----
90
```
- Add the ones place: \(5 + 5 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(7 + 1 + 1 = 9\).
```
67
+ 29
-----
96
```
- Add the ones place: \(7 + 9 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(6 + 2 + 1 = 9\).
```
68
+ 19
-----
87
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(6 + 1 + 1 = 8\).
```
49
+ 24
-----
73
```
- Add the ones place: \(9 + 4 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(4 + 2 + 1 = 7\).
```
37
+ 59
-----
96
```
- Add the ones place: \(7 + 9 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
```
67 + 28 = 95
47 + 28 = 75
88 + 8 = 96
58 + 39 = 97
38 + 54 = 92
18 + 59 = 77
57 + 24 = 81
46 + 37 = 83
76 + 9 = 85
34 + 59 = 93
85 + 9 = 94
75 + 15 = 90
67 + 29 = 96
68 + 19 = 87
49 + 24 = 73
37 + 59 = 96
```
Thus, the final answer is:
\[
\boxed{95, 75, 96, 97, 92, 77, 81, 83, 85, 93, 94, 90, 96, 87, 73, 96}
\]
Problem 1: \(67 + 28\)
```
67
+ 28
-----
95
```
- Add the ones place: \(7 + 8 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(6 + 2 + 1 = 9\).
Problem 2: \(47 + 28\)
```
47
+ 28
-----
75
```
- Add the ones place: \(7 + 8 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(4 + 2 + 1 = 7\).
Problem 3: \(88 + 8\)
```
88
+ 8
-----
96
```
- Add the ones place: \(8 + 8 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(8 + 0 + 1 = 9\).
Problem 4: \(58 + 39\)
```
58
+ 39
-----
97
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(5 + 3 + 1 = 9\).
Problem 5: \(38 + 54\)
```
38
+ 54
-----
92
```
- Add the ones place: \(8 + 4 = 12\). Write down 2 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
Problem 6: \(18 + 59\)
```
18
+ 59
-----
77
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(1 + 5 + 1 = 7\).
Problem 7: \(57 + 24\)
```
57
+ 24
-----
81
```
- Add the ones place: \(7 + 4 = 11\). Write down 1 and carry over 1.
- Add the tens place: \(5 + 2 + 1 = 8\).
Problem 8: \(46 + 37\)
```
46
+ 37
-----
83
```
- Add the ones place: \(6 + 7 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(4 + 3 + 1 = 8\).
Problem 9: \(76 + 9\)
```
76
+ 9
-----
85
```
- Add the ones place: \(6 + 9 = 15\). Write down 5 and carry over 1.
- Add the tens place: \(7 + 0 + 1 = 8\).
Problem 10: \(34 + 59\)
```
34
+ 59
-----
93
```
- Add the ones place: \(4 + 9 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
Problem 11: \(85 + 9\)
```
85
+ 9
-----
94
```
- Add the ones place: \(5 + 9 = 14\). Write down 4 and carry over 1.
- Add the tens place: \(8 + 0 + 1 = 9\).
Problem 12: \(75 + 15\)
```
75
+ 15
-----
90
```
- Add the ones place: \(5 + 5 = 10\). Write down 0 and carry over 1.
- Add the tens place: \(7 + 1 + 1 = 9\).
Problem 13: \(67 + 29\)
```
67
+ 29
-----
96
```
- Add the ones place: \(7 + 9 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(6 + 2 + 1 = 9\).
Problem 14: \(68 + 19\)
```
68
+ 19
-----
87
```
- Add the ones place: \(8 + 9 = 17\). Write down 7 and carry over 1.
- Add the tens place: \(6 + 1 + 1 = 8\).
Problem 15: \(49 + 24\)
```
49
+ 24
-----
73
```
- Add the ones place: \(9 + 4 = 13\). Write down 3 and carry over 1.
- Add the tens place: \(4 + 2 + 1 = 7\).
Problem 16: \(37 + 59\)
```
37
+ 59
-----
96
```
- Add the ones place: \(7 + 9 = 16\). Write down 6 and carry over 1.
- Add the tens place: \(3 + 5 + 1 = 9\).
Final Answers:
```
67 + 28 = 95
47 + 28 = 75
88 + 8 = 96
58 + 39 = 97
38 + 54 = 92
18 + 59 = 77
57 + 24 = 81
46 + 37 = 83
76 + 9 = 85
34 + 59 = 93
85 + 9 = 94
75 + 15 = 90
67 + 29 = 96
68 + 19 = 87
49 + 24 = 73
37 + 59 = 96
```
Thus, the final answer is:
\[
\boxed{95, 75, 96, 97, 92, 77, 81, 83, 85, 93, 94, 90, 96, 87, 73, 96}
\]
Parent Tip: Review the logic above to help your child master the concept of super star worksheets.
