ADDITION REGROUPING

Front

What is Addition Regrouping?

Back

Addition regrouping is a method used in addition where numbers are rearranged to make the addition easier, especially when the sum exceeds 10 in any column.

Front

What is the sum of 243 and 167?

Back

The sum of 243 and 167 is 410.

Front

What is the sum of 683 and 954?

Back

The sum of 683 and 954 is 1637.

Front

What is the sum of 658 and 592?

Back

The sum of 658 and 592 is 1250.

Front

What is the sum of 638 and 345?

Back

The sum of 638 and 345 is 983.

Front

What is the sum of 364 and 872?

Back

The sum of 364 and 872 is 1236.

Front

When do we need to regroup in addition?

Back

We need to regroup when the sum of the digits in a column is 10 or more.

Front

How do you regroup when adding 27 and 48?

Back

Add 7 and 8 to get 15. Write down 5 and carry over 1 to the next column. Then add 2 + 4 + 1 (the carry) to get 7. So, 27 + 48 = 75.

Front

What is a carry in addition?

Back

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

Front

What is the first step in addition regrouping?

Back

The first step is to add the digits in the rightmost column.