Addition and Subtraction 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

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from the next column when the top number is smaller than the bottom number in a column.

Front

Calculate the difference: 463,271 - 273,472

Back

189,799

Front

Find the sum: 684,932 + 37,299

Back

722,231

Front

Solve for the difference: 873,229 - 672,110

Back

201,119

Front

Solve: 9,376 + 2,548 = ?

Back

11,924

Front

Find the difference: 300,000 - 179,288

Back

120,712

Front

What is the first step in addition with regrouping?

Back

The first step is to align the numbers by their place values (ones, tens, hundreds, etc.).

Front

What do you do if a column in addition exceeds 9?

Back

You carry over 1 to the next column on the left.

Front

What do you do if you need to subtract a larger digit from a smaller digit?

Back

You borrow 1 from the next column to the left.