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 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 64 - 38?

Back

64 - 38 = 26. First, regroup the 6 in the tens place to help subtract.

Front

How do you subtract 77 - 29?

Back

77 - 29 = 48. Regroup the 7 in the tens place to subtract 2 from 7.

Front

What is the result of 67 - 59?

Back

67 - 59 = 8. You need to regroup because 7 is less than 9.

Front

How do you subtract 77 - 36?

Back

77 - 36 = 41. Regroup the 7 in the tens place to help with the subtraction.

Front

What is the result of 53 - 31?

Back

53 - 31 = 22. Regroup the 5 in the tens place to subtract.

Front

What is the first step in subtraction with regrouping?

Back

The first step is to look at the digits in each column and see if you need to regroup.

Front

Why do we need to regroup when subtracting?

Back

We need to regroup when the top digit is smaller than the bottom digit in a column.

Front

What is the difference between 10 and 7?

Back

10 - 7 = 3. This is a simple subtraction without regrouping.