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. You carry over the extra value to the next column.

Front

What do you do when the sum of the ones place is 10 or more?

Back

You write down the last digit of the sum in the ones place and carry over 1 to the tens place.

Front

Calculate: 432 + 468 = ?

Back

900

Front

Calculate: 278 + 342 = ?

Back

620

Front

Calculate: 564 + 283 = ?

Back

847

Front

Calculate: 165 + 44 = ?

Back

209

Front

Calculate: 126 + 171 = ?

Back

297

Front

What is the first step in addition with regrouping?

Back

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

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

Why is it important to line up numbers by place value?

Back

Lining up numbers by place value ensures that you add the correct digits together.