3 Digit Addition

Front

What is 3 Digit Addition?

Back

3 Digit Addition is the process of adding numbers that have three digits, such as 123 + 456.

Front

What is the place value of the digit 5 in the number 256?

Back

In the number 256, the digit 5 is in the 'tens' place, which means it represents 50.

Front

How do you add 3-digit numbers?

Back

To add 3-digit numbers, align the numbers by their place values (hundreds, tens, and ones) and add each column starting from the right.

Front

What is the sum of 123 and 234?

Back

The sum of 123 and 234 is 357.

Front

What do you do if the sum of a column is more than 9?

Back

If the sum of a column is more than 9, you carry over the extra value to the next column on the left.

Front

What is carrying in addition?

Back

Carrying in addition is when you move a value from one column to the next left column because the sum exceeds 9.

Front

What is the sum of 456 and 789?

Back

The sum of 456 and 789 is 1245.

Front

What is the place value of the digit 2 in the number 742?

Back

In the number 742, the digit 2 is in the 'tens' place, which means it represents 20.

Front

What is the first step in adding 3-digit numbers?

Back

The first step is to write the numbers one under the other, aligning them by their place values.

Front

What is the sum of 321 and 654?

Back

The sum of 321 and 654 is 975.