3-Digit Addition with Regrouping

Front

What is 3-digit addition?

Back

3-digit addition is the process of adding numbers that have three digits, such as 321 or 456.

Front

What does regrouping mean in addition?

Back

Regrouping in addition means carrying over a value from one column to the next when the sum exceeds 9.

Front

What is the sum of 321 and 456?

Back

The sum of 321 and 456 is 777.

Front

How do you add 3-digit numbers?

Back

To add 3-digit numbers, align the numbers by place value (hundreds, tens, units) and add each column, regrouping if necessary.

Front

What is the sum of 987 and 654?

Back

The sum of 987 and 654 is 1641.

Front

What is the sum of 245 and 378?

Back

The sum of 245 and 378 is 623.

Front

What is the sum of 876 and 543?

Back

The sum of 876 and 543 is 1419.

Front

What is a carry in addition?

Back

A carry is when the sum of a column exceeds 9, and you move the extra value to the next column.

Front

What is the place value of 3 in 321?

Back

In 321, the place value of 3 is 300, as it is in the hundreds place.

Front

What is the place value of 2 in 245?

Back

In 245, the place value of 2 is 20, as it is in the tens place.