A day full of math games & activities. Find one near you.

A day full of math games & activities. Find one near you.

A day full of math games & activities. Find one near you.

A day full of math games & activities. Find one near you.

# 3 Digit Number Addition Calculator

A '3 Digit Number Addition Calculator' is an online tool that adds numbers up to 3 digits.

## What is a 3 Digit Number Addition Calculator?

This calculator helps you to calculate faster and gives you the sum of the numbers within a few seconds.

## How to Use 3 the Digit Number Addition Calculator?

Follow these steps to use the calculator:

**Step 1**: Enter the two set of numbers to be added in the respective input boxes.**Step 2**: Click on**"Add"**to get the sum of the numbers entered.**Step 3**: Click on**"Reset"**to clear the field and enter the new set of numbers.

## How to Add 3 Digit Numbers?

3-digit numbers are added in the same way as the other numbers.

- Place the given set of numbers one below the other while arranging them into columns of their respective place values, like Ones, Tens, and Hundreds.
- After this, add the columns one by one starting from ones.
- If the sum of the digits in one's column is more than 9, for example, if it is 7 + 5 = 12, i.e., one ten and 2 ones. This one ten is carried over to the tens column and added along with the numbers under that column. This concept of carry over applies to all the columns - ones, tens, hundreds, and so on.

Let us go through the following example to understand this better.

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**Solved Example:**

Find the sum of 623 and 250

**Solution:**

These three-digit numbers can be added by writing both the numbers one below the other in such a way that the place values are aligned and then we add them.

623

__+250__

__ 873__

Therefore, the sum of 623 and 250 is 873

Now, try the calculator to find the sum of the following set of numbers:

- 286, 852
- 397, 431

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