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 borrowing from the next column.

Front

What does it mean to 'regroup' in subtraction?

Back

Regrouping in subtraction means to borrow from the next higher place value when the digit in the current place value is smaller than the digit being subtracted.

Front

Solve: 734 - 573 = ?

Back

161

Front

Solve: 571 - 152 = ?

Back

419

Front

Solve: 900 - 749 = ?

Back

151

Front

Solve: 502 - 297 = ?

Back

205

Front

Solve: 231 - 178 = ?

Back

53

Front

What is the first step in subtraction with regrouping?

Back

The first step is to line up the numbers by place value (ones, tens, hundreds) and check if regrouping is needed.

Front

When do you need to regroup in subtraction?

Back

You need to regroup when the digit in the top number is smaller than the digit in the bottom number in any column.

Front

What is the result of borrowing from the tens place?

Back

When you borrow from the tens place, you decrease the tens digit by 1 and add 10 to the ones digit.