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

How do you subtract 1 from 10?

Back

10 - 1 = 9.

Front

What is 15 - 7?

Back

15 - 7 = 8.

Front

What is the first step in subtracting 551 - 317?

Back

Look at the ones place: 1 - 7. Since 1 is smaller than 7, we need to regroup.

Front

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

Back

You regroup from the next left column to make the smaller digit larger.

Front

What is 4 - 2?

Back

4 - 2 = 2.

Front

What is 9 - 3?

Back

9 - 3 = 6.

Front

What is 346 - 137?

Back

346 - 137 = 209.

Front

What is 787 - 523?

Back

787 - 523 = 264.