Addition with Regrouping

Front

What is addition with regrouping?

Back

Addition with regrouping is a method used when the sum of two digits in a column exceeds 9, requiring you to carry over to the next column.

Front

What do you do when the sum of the ones place is greater than 9?

Back

You write down the ones digit and carry over the tens digit to the next column.

Front

234 + 345 = ?

Back

579

Front

569 + 231 = ?

Back

800

Front

449 + 449 = ?

Back

898

Front

799 + 154 = ?

Back

953

Front

316 + 316 = ?

Back

632

Front

What is the first step in addition with regrouping?

Back

Align the numbers by their place values (ones, tens, hundreds) before adding.

Front

How do you check your addition with regrouping?

Back

You can check your addition by adding the numbers in reverse order or using subtraction to see if you arrive at the original numbers.

Front

What is a carry in addition?

Back

A carry is the number that is transferred to the next column when the sum of a column exceeds 9.