Subtract Two 3-Digit Numbers with Regrouping: Horizontal ... - Free Printable

Sure! Let’s solve each subtraction problem step by step. Since the worksheet is titled “Subtract Two 3-Digit Numbers with Regrouping,” we’ll use regrouping (also called borrowing) where needed.

---

🔢 Left Column:

#### 1. 680 – 472
```
680
- 472
-----
```
- Ones: 0 – 2 → can’t do, borrow from tens → 10 – 2 = 8
- Tens: 7 (after borrowing) – 7 = 0
- Hundreds: 6 – 4 = 2
✔ Answer: 208

---

#### 2. 472 – 374
```
472
- 374
-----
```
- Ones: 2 – 4 → borrow → 12 – 4 = 8
- Tens: 6 – 7 → borrow → 16 – 7 = 9
- Hundreds: 3 – 3 = 0
✔ Answer: 98

---

#### 3. 750 – 433
```
750
- 433
-----
```
- Ones: 0 – 3 → borrow → 10 – 3 = 7
- Tens: 4 – 3 = 1
- Hundreds: 7 – 4 = 3
✔ Answer: 317

---

#### 4. 590 – 337
```
590
- 337
-----
```
- Ones: 0 – 7 → borrow → 10 – 7 = 3
- Tens: 8 – 3 = 5
- Hundreds: 5 – 3 = 2
✔ Answer: 253

---

#### 5. 842 – 805
```
842
- 805
-----
```
- Ones: 2 – 5 → borrow → 12 – 5 = 7
- Tens: 3 – 0 = 3
- Hundreds: 8 – 8 = 0
✔ Answer: 37

---

#### 6. 942 – 808
```
942
- 808
-----
```
- Ones: 2 – 8 → borrow → 12 – 8 = 4
- Tens: 3 – 0 = 3
- Hundreds: 9 – 8 = 1
✔ Answer: 134

---

#### 7. 249 – 170
```
249
- 170
-----
```
- Ones: 9 – 0 = 9
- Tens: 4 – 7 → borrow → 14 – 7 = 7
- Hundreds: 1 – 1 = 0
✔ Answer: 79

---

#### 8. 706 – 645
```
706
- 645
-----
```
- Ones: 6 – 5 = 1
- Tens: 0 – 4 → borrow → 10 – 4 = 6
- Hundreds: 6 – 6 = 0
✔ Answer: 61

---

🔢 Right Column:

#### 9. 824 – 782
```
824
- 782
-----
```
- Ones: 4 – 2 = 2
- Tens: 2 – 8 → borrow → 12 – 8 = 4
- Hundreds: 7 – 7 = 0
✔ Answer: 42

---

#### 10. 867 – 693
```
867
- 693
-----
```
- Ones: 7 – 3 = 4
- Tens: 6 – 9 → borrow → 16 – 9 = 7
- Hundreds: 7 – 6 = 1
✔ Answer: 174

---

#### 11. 318 – 167
```
318
- 167
-----
```
- Ones: 8 – 7 = 1
- Tens: 1 – 6 → borrow → 11 – 6 = 5
- Hundreds: 2 – 1 = 1
✔ Answer: 151

---

#### 12. 737 – 644
```
737
- 644
-----
```
- Ones: 7 – 4 = 3
- Tens: 3 – 4 → borrow → 13 – 4 = 9
- Hundreds: 6 – 6 = 0
✔ Answer: 93

---

#### 13. 608 – 559
```
608
- 559
-----
```
- Ones: 8 – 9 → borrow → 18 – 9 = 9
- Tens: 9 – 5 = 4 (after borrowing)
- Hundreds: 5 – 5 = 0
✔ Answer: 49

---

#### 14. 843 – 156
```
843
- 156
-----
```
- Ones: 3 – 6 → borrow → 13 – 6 = 7
- Tens: 3 – 5 → borrow → 13 – 5 = 8
- Hundreds: 7 – 1 = 7
✔ Answer: 687

---

#### 15. 927 – 828
```
927
- 828
-----
```
- Ones: 7 – 8 → borrow → 17 – 8 = 9
- Tens: 1 – 2 → borrow → 11 – 2 = 9
- Hundreds: 8 – 8 = 0
✔ Answer: 99

---

#### 16. 420 – 333
```
420
- 333
-----
```
- Ones: 0 – 3 → borrow → 10 – 3 = 7
- Tens: 1 – 3 → borrow → 11 – 3 = 8
- Hundreds: 3 – 3 = 0
✔ Answer: 87

---

## ✔ Final Answers:

Left Column:
1. 680 – 472 = 208
2. 472 – 374 = 98
3. 750 – 433 = 317
4. 590 – 337 = 253
5. 842 – 805 = 37
6. 942 – 808 = 134
7. 249 – 170 = 79
8. 706 – 645 = 61

Right Column:
9. 824 – 782 = 42
10. 867 – 693 = 174
11. 318 – 167 = 151
12. 737 – 644 = 93
13. 608 – 559 = 49
14. 843 – 156 = 687
15. 927 – 828 = 99
16. 420 – 333 = 87

---

You can now fill in the blanks on your worksheet with these answers! 😊

Let me know if you’d like to see any of them worked out visually or with place value blocks!