Add 3-Digit and 1-Digit Numbers Using Place Value - Math ... - Free Printable

Let's solve each addition problem using the place value chart method, as shown in the image.

---

🔹 Problem 1:

812 + 5 = ?

We will represent both numbers on the place value chart:

#### Step 1: Break down the numbers by place value

- 812:
- Hundreds: 8
- Tens: 1
- Ones: 2

- 5:
- Hundreds: 0
- Tens: 0
- Ones: 5

Now, add them column by column:

| Hundreds | Tens | Ones |
|----------|------|------|
| 8 | 1 | 2 |
| 0 | 0 | 5 |
| 8 | 1| 7|

So, the sum is:
817

✔ Therefore,
812 + 5 = 817

---

🔹 Problem 2:

365 + 4 = ?

Break down the numbers:

- 365:
- Hundreds: 3
- Tens: 6
- Ones: 5

- 4:
- Hundreds: 0
- Tens: 0
- Ones: 4

Add them:

| Hundreds | Tens | Ones |
|----------|------|------|
| 3 | 6 | 5 |
| 0 | 0 | 4 |
| 3 | 6| 9|

So, the sum is:
369

✔ Therefore,
365 + 4 = 369

---

✔ Final Answers:

1. 812 + 5 = 817
2. 365 + 4 = 369

You can now fill in the blanks:
- First box: 817
- Second box: 369

And complete the place value charts accordingly.

Let me know if you'd like a visual version of the filled charts!