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 73 - 27?

Back

73 - 27 = 46. First, regroup the 7 in the tens place to help subtract.

Front

What is the result of 45 - 36?

Back

45 - 36 = 9. You can subtract directly since the top number is larger.

Front

What is the answer to 20,193 - 14,228?

Back

20,193 - 14,228 = 5,965. Regrouping is needed in this subtraction.

Front

How do you subtract 80,945 - 74,836?

Back

80,945 - 74,836 = 6,109. Regrouping helps in this calculation.

Front

What is 528 - 173?

Back

528 - 173 = 355. You may need to regroup to solve this.

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, so we can borrow from the next column.

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next higher place value to help subtract a smaller number from a larger number.