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

How do you subtract 540 - 289 using regrouping?

Back

First, regroup from the tens place (4 becomes 3, and 10 is added to 0 in the ones place). Then subtract: 10 - 9 = 1, 3 - 8 (regroup again) = 12 - 8 = 4, and 5 - 2 = 2. The answer is 251.

Front

What is the first step in subtracting 346 - 137?

Back

The first step is to check if you need to regroup. Since 6 is less than 7, you need to regroup from the tens place.

Front

What is the result of 472 - 446?

Back

The result is 26.

Front

How do you handle the subtraction of 7 - 6 in 472 - 446?

Back

You can subtract directly since 7 is greater than 6, resulting in 1.

Front

What is the answer to 787 - 523?

Back

The answer is 264.

Front

What do you do if you need to subtract 0 from a number?

Back

Subtracting 0 from a number does not change the value of that number.

Front

What is the result of 961 - 223?

Back

The result is 738.

Front

When subtracting, what do you do if the top digit is smaller than the bottom digit?

Back

You regroup by borrowing from the next column to the left.