2nd Grade Math Worksheets - Place Value - 3-Digit Subtraction with ... - Free Printable

Let's solve each of the 3-digit subtraction problems with regrouping on this "Dino Subtraction" worksheet step by step. Then, we'll do the bonus coloring activity based on whether the answers are odd or even.

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🔢 Step 1: Solve Each Subtraction Problem

We’ll subtract each pair and show the work clearly.

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#### 1. 464 - 229

```
464
- 229
-----
```

Start from the right:

- Ones place: 4 - 9 → can't do, so borrow from tens.
- Tens digit (6) becomes 5, ones become 14.
- 14 - 9 = 5
- Tens place: 5 - 2 = 3
- Hundreds place: 4 - 2 = 2

✔ Answer: 235

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#### 2. 893 - 395

```
893
- 395
-----
```

- Ones: 3 - 5 → borrow.
- Tens digit (9) becomes 8, ones become 13.
- 13 - 5 = 8
- Tens: 8 - 9 → can’t do, borrow from hundreds.
- Hundreds (8) becomes 7, tens become 18.
- 18 - 9 = 9
- Hundreds: 7 - 3 = 4

✔ Answer: 498

---

#### 3. 302 - 157

```
302
- 157
-----
```

- Ones: 2 - 7 → borrow.
- Tens digit is 0, so need to borrow from hundreds.
- Hundreds (3) → 2, tens become 10.
- But we need to borrow for ones: tens become 9, ones become 12.
- 12 - 7 = 5
- Tens: 9 - 5 = 4
- Hundreds: 2 - 1 = 1

✔ Answer: 145

---

#### 4. 773 - 587

```
773
- 587
-----
```

- Ones: 3 - 7 → borrow.
- Tens (7) → 6, ones → 13
- 13 - 7 = 6
- Tens: 6 - 8 → borrow from hundreds.
- Hundreds (7) → 6, tens → 16
- 16 - 8 = 8
- Hundreds: 6 - 5 = 1

✔ Answer: 186

---

#### 5. 218 - 154

```
218
- 154
-----
```

- Ones: 8 - 4 = 4
- Tens: 1 - 5 → borrow.
- Hundreds (2) → 1, tens → 11
- 11 - 5 = 6
- Hundreds: 1 - 1 = 0

✔ Answer: 64

---

#### 6. 755 - 495

```
755
- 495
-----
```

- Ones: 5 - 5 = 0
- Tens: 5 - 9 → borrow.
- Hundreds (7) → 6, tens → 15
- 15 - 9 = 6
- Hundreds: 6 - 4 = 2

✔ Answer: 260

---

#### 7. 891 - 122

```
891
- 122
-----
```

- Ones: 1 - 2 → borrow.
- Tens (9) → 8, ones → 11
- 11 - 2 = 9
- Tens: 8 - 2 = 6
- Hundreds: 8 - 1 = 7

✔ Answer: 769

---

#### 8. 542 - 237

```
542
- 237
-----
```

- Ones: 2 - 7 → borrow.
- Tens (4) → 3, ones → 12
- 12 - 7 = 5
- Tens: 3 - 3 = 0
- Hundreds: 5 - 2 = 3

✔ Answer: 305

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✔ Final Answers:

| Problem | Answer |
|----------------|--------|
| 464 - 229 | 235 |
| 893 - 395 | 498 |
| 302 - 157 | 145 |
| 773 - 587 | 186 |
| 218 - 154 | 64 |
| 755 - 495 | 260 |
| 891 - 122 | 769 |
| 542 - 237 | 305 |

---

🎨 BONUS: Color the Answer Boxes

> Color odd answer boxes YELLOW.
> Color even answer boxes GREEN.

Let’s check if each answer is odd or even:

- 235 → ends in 5 → ODD → ✔ YELLOW
- 498 → ends in 8 → EVEN → ✔ GREEN
- 145 → ends in 5 → ODD → ✔ YELLOW
- 186 → ends in 6 → EVEN → ✔ GREEN
- 64 → ends in 4 → EVEN → ✔ GREEN
- 260 → ends in 0 → EVEN → ✔ GREEN
- 769 → ends in 9 → ODD → ✔ YELLOW
- 305 → ends in 5 → ODD → ✔ YELLOW

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📌 Summary of Bonus Coloring:

| Answer | Odd/Even | Color |
|--------|----------|---------|
| 235 | Odd | Yellow |
| 498 | Even | Green |
| 145 | Odd | Yellow |
| 186 | Even | Green |
| 64 | Even | Green |
| 260 | Even | Green |
| 769 | Odd | Yellow |
| 305 | Odd | Yellow |

---

✔ Final Answer Key:

```
464 - 229 = 235 → YELLOW
893 - 395 = 498 → GREEN
302 - 157 = 145 → YELLOW
773 - 587 = 186 → GREEN
218 - 154 = 64 → GREEN
755 - 495 = 260 → GREEN
891 - 122 = 769 → YELLOW
542 - 237 = 305 → YELLOW
```

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🧠 Tips for Students:

- Always start from the ones place.
- If you can't subtract, borrow from the next higher place.
- Remember: borrowing changes two digits at once!
- After solving, check if your answer is reasonable (e.g., smaller than the top number).

Let me know if you'd like a printable version or want to turn this into a fun classroom activity! 🦖✨