The task is to solve the given column subtraction problems. Let's go through each problem step by step.
Problem 1: \( 78 - 43 \)
```
78
- 43
-----
35
```
- Subtract the ones place: \( 8 - 3 = 5 \)
- Subtract the tens place: \( 7 - 4 = 3 \)
- Result:
35
Problem 2: \( 95 - 30 \)
```
95
- 30
-----
65
```
- Subtract the ones place: \( 5 - 0 = 5 \)
- Subtract the tens place: \( 9 - 3 = 6 \)
- Result:
65
Problem 3: \( 52 - 20 \)
```
52
- 20
-----
32
```
- Subtract the ones place: \( 2 - 0 = 2 \)
- Subtract the tens place: \( 5 - 2 = 3 \)
- Result:
32
Problem 4: \( 99 - 40 \)
```
99
- 40
-----
59
```
- Subtract the ones place: \( 9 - 0 = 9 \)
- Subtract the tens place: \( 9 - 4 = 5 \)
- Result:
59
Problem 5: \( 88 - 25 \)
```
88
- 25
-----
63
```
- Subtract the ones place: \( 8 - 5 = 3 \)
- Subtract the tens place: \( 8 - 2 = 6 \)
- Result:
63
Problem 6: \( 55 - 15 \)
```
55
- 15
-----
40
```
- Subtract the ones place: \( 5 - 5 = 0 \)
- Subtract the tens place: \( 5 - 1 = 4 \)
- Result:
40
Problem 7: \( 88 - 43 \)
```
88
- 43
-----
45
```
- Subtract the ones place: \( 8 - 3 = 5 \)
- Subtract the tens place: \( 8 - 4 = 4 \)
- Result:
45
Problem 8: \( 49 - 30 \)
```
49
- 30
-----
19
```
- Subtract the ones place: \( 9 - 0 = 9 \)
- Subtract the tens place: \( 4 - 3 = 1 \)
- Result:
19
Problem 9: \( 440 - 140 \)
```
440
- 140
------
300
```
- Subtract the ones place: \( 0 - 0 = 0 \)
- Subtract the tens place: \( 4 - 4 = 0 \)
- Subtract the hundreds place: \( 4 - 1 = 3 \)
- Result:
300
Problem 10: \( 300 - 150 \)
```
300
- 150
------
150
```
- Subtract the ones place: \( 0 - 0 = 0 \)
- Subtract the tens place: \( 0 - 5 \) (borrow from hundreds): \( 10 - 5 = 5 \)
- Subtract the hundreds place: \( 2 - 1 = 1 \) (after borrowing)
- Result:
150
Problem 11: \( 560 - 238 \)
```
560
- 238
------
322
```
- Subtract the ones place: \( 0 - 8 \) (borrow from tens): \( 10 - 8 = 2 \)
- Subtract the tens place: \( 5 - 3 \) (after borrowing): \( 4 - 3 = 1 \)
- Subtract the hundreds place: \( 5 - 2 = 3 \)
- Result:
322
Problem 12: \( 850 - 200 \)
```
850
- 200
------
650
```
- Subtract the ones place: \( 0 - 0 = 0 \)
- Subtract the tens place: \( 5 - 0 = 5 \)
- Subtract the hundreds place: \( 8 - 2 = 6 \)
- Result:
650
Final Answers:
1.
35
2.
65
3.
32
4.
59
5.
63
6.
40
7.
45
8.
19
9.
300
10.
150
11.
322
12.
650
\boxed{35, 65, 32, 59, 63, 40, 45, 19, 300, 150, 322, 650}
Parent Tip: Review the logic above to help your child master the concept of subtraction worksheet third grade regrouping.