Addition with regrouping (3.4A)

Front

What is addition with regrouping?

Back

Addition with regrouping is a method used when the sum of two digits in a column is 10 or more, requiring you to carry over to the next column.

Front

What is the sum of 126 + 171?

Back

297

Front

How do you add two numbers with regrouping?

Back

1. Add the digits in the rightmost column. 2. If the sum is 10 or more, write down the right digit and carry over the left digit to the next column. 3. Repeat for all columns.

Front

What is the sum of 278 + 342?

Back

620

Front

What is the sum of 432 + 468?

Back

900

Front

What is the sum of 564 + 283?

Back

847

Front

What is the sum of 394 + 97?

Back

491

Front

What do you do if the sum of a column is 10 or more?

Back

You carry over the left digit to the next column and write down the right digit.

Front

What is a carry in addition?

Back

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

Front

What is the sum of 99 + 56?

Back

155