Subtraction with Regrouping

Front

What is subtraction with regrouping?

Back

Subtraction with regrouping is a method used to subtract numbers when the top digit is smaller than the bottom digit in any column, requiring you to borrow from the next column.

Front

How do you borrow in subtraction?

Back

To borrow in subtraction, you take 1 from the next left column, decrease that digit by 1, and add 10 to the current column's digit.

Front

What is the first step in solving a subtraction problem with regrouping?

Back

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

Front

Solve: 52 - 16 = ?

Back

36

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

You need to borrow from the next column to the left.

Front

Solve: 905 - 335 = ?

Back

570

Front

What is the difference between 803 and 458?

Back

345

Front

Solve: 74 - 23 = ?

Back

51

Front

What is the result of 64 - 25?

Back

39

Front

Why is it important to regroup in subtraction?

Back

Regrouping is important because it allows you to accurately subtract numbers when the digits in the minuend are smaller than those in the subtrahend.