3 digit adding with regrouping

Front

What is regrouping in addition?

Back

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

Front

How do you add three-digit numbers?

Back

To add three-digit numbers, align the numbers by place value (hundreds, tens, units), add starting from the rightmost column, and regroup if necessary.

Front

What is the sum of 347 and 265?

Back

The sum of 347 and 265 is 612.

Front

What is the sum of 413 and 410?

Back

The sum of 413 and 410 is 823.

Front

What is the sum of 586 and 243?

Back

The sum of 586 and 243 is 829.

Front

What is the importance of place value in addition?

Back

Place value is important in addition because it helps to correctly align numbers and ensures that each digit is added in the correct column.

Front

What do you do when the sum of a column exceeds 9?

Back

When the sum of a column exceeds 9, you regroup by carrying over 1 to the next left column.

Front

What is the sum of 935 and 0?

Back

The sum of 935 and 0 is 935.

Front

How can you check your addition?

Back

You can check your addition by using the inverse operation (subtraction) or by estimating the sum.

Front

What is an example of a three-digit addition problem with regrouping?

Back

An example is 478 + 367, which requires regrouping in the tens column.