Subtraction with Regrouping

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means rearranging the numbers to make it easier to subtract, especially when the top number is smaller than the bottom number in a column.

Front

Solve: 67 - 49

Back

18

Front

Solve: 80 - 49

Back

31

Front

Solve: 25 - 7

Back

18

Front

If there are 323 postcards and 125 are used, how many are left?

Back

198 postcards

Front

Solve: 90 - 56

Back

34

Front

What is the first step in subtraction with regrouping?

Back

The first step is to check if you need to regroup. If the top digit is smaller than the bottom digit in any column, you will need to regroup.

Front

How do you regroup in subtraction?

Back

To regroup, you borrow 1 from the next left column, which adds 10 to the current column.

Front

What is the difference between minuend and subtrahend?

Back

The minuend is the number from which another number (the subtrahend) is subtracted.