Let's solve each subtraction problem on the worksheet step by step. Since this is
"3 Digit Subtraction: No Regrouping", we can assume that each problem is designed so that no borrowing (regrouping) is needed — meaning each digit in the top number is greater than or equal to the corresponding digit in the bottom number.
We’ll go through each problem one at a time:
---
1.
```
231
- 120
-----
```
Subtract:
- 1 - 0 = 1
- 3 - 2 = 1
- 2 - 1 = 1
Answer: 111
---
2.
```
688
- 124
-----
```
- 8 - 4 = 4
- 8 - 2 = 6
- 6 - 1 = 5
Answer: 564
---
3.
```
340
- 130
-----
```
- 0 - 0 = 0
- 4 - 3 = 1
- 3 - 1 = 2
Answer: 210
---
4.
```
665
- 254
-----
```
- 5 - 4 = 1
- 6 - 5 = 1
- 6 - 2 = 4
Answer: 411
---
5.
```
241
- 100
-----
```
- 1 - 0 = 1
- 4 - 0 = 4
- 2 - 1 = 1
Answer: 141
---
6.
```
507
- 103
-----
```
- 7 - 3 = 4
- 0 - 0 = 0
- 5 - 1 = 4
Answer: 404
---
7.
```
359
- 256
-----
```
- 9 - 6 = 3
- 5 - 5 = 0
- 3 - 2 = 1
Answer: 103
---
8.
```
922
- 512
-----
```
- 2 - 2 = 0
- 2 - 1 = 1
- 9 - 5 = 4
Answer: 410
---
9.
```
375
- 245
-----
```
- 5 - 5 = 0
- 7 - 4 = 3
- 3 - 2 = 1
Answer: 130
---
10.
```
208
- 103
-----
```
- 8 - 3 = 5
- 0 - 0 = 0
- 2 - 1 = 1
Answer: 105
---
11.
```
995
- 841
-----
```
- 5 - 1 = 4
- 9 - 4 = 5
- 9 - 8 = 1
Answer: 154
---
12.
```
793
- 241
-----
```
- 3 - 1 = 2
- 9 - 4 = 5
- 7 - 2 = 5
Answer: 552
---
13.
```
639
- 437
-----
```
- 9 - 7 = 2
- 3 - 3 = 0
- 6 - 4 = 2
Answer: 202
---
14.
```
539
- 436
-----
```
- 9 - 6 = 3
- 3 - 3 = 0
- 5 - 4 = 1
Answer: 103
---
15.
```
47
- 25
-----
```
This is a 2-digit subtraction, but still valid.
- 7 - 5 = 2
- 4 - 2 = 2
Answer: 22
---
16.
```
885
- 760
-----
```
- 5 - 0 = 5
- 8 - 6 = 2
- 8 - 7 = 1
Answer: 125
---
17.
```
490
- 190
-----
```
- 0 - 0 = 0
- 9 - 9 = 0
- 4 - 1 = 3
Answer: 300
---
18.
```
343
- 141
-----
```
- 3 - 1 = 2
- 4 - 4 = 0
- 3 - 1 = 2
Answer: 202
---
19.
```
941
- 741
-----
```
- 1 - 1 = 0
- 4 - 4 = 0
- 9 - 7 = 2
Answer: 200
---
20.
```
181
- 51
-----
```
This is a 3-digit minus 2-digit. Think of it as:
```
181
- 51
-----
```
- 1 - 1 = 0
- 8 - 5 = 3
- 1 - 0 = 1
Answer: 130
---
Final Answers:
1. 111
2. 564
3. 210
4. 411
5. 141
6. 404
7. 103
8. 410
9. 130
10. 105
11. 154
12. 552
13. 202
14. 103
15. 22
16. 125
17. 300
18. 202
19. 200
20. 130
✔ All problems are solved using
no regrouping — each digit subtraction was straightforward without needing to borrow.
Let me know if you'd like this formatted into a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of worksheet in subtraction for grade 4.