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

How do you subtract 27 - 5 using regrouping?

Back

First, regroup by borrowing 1 from the tens place, making it 20 + 17. Then, subtract: 17 - 5 = 12.

Front

What is the first step in subtracting 43 - 6 using regrouping?

Back

Regroup by borrowing 1 from the tens place, changing 43 to 3 tens and 13 ones.

Front

If you have 34 - 9, what do you do first?

Back

Regroup by borrowing 1 from the tens place, changing 34 to 2 tens and 14 ones.

Front

What is the result of 35 - 25?

Back

10.

Front

How do you solve 44 - 7 using regrouping?

Back

Regroup by borrowing 1 from the tens place, changing 44 to 3 tens and 14 ones. Then, subtract: 14 - 7 = 7.

Front

What is the answer to 30 - 3?

Back

27.

Front

How do you subtract 21 - 3 using regrouping?

Back

Regroup by borrowing 1 from the tens place, changing 21 to 1 ten and 11 ones. Then, subtract: 11 - 3 = 8.

Front

What is the answer to 43 - 6?

Back

37.

Front

What does it mean to 'borrow' in subtraction?

Back

To borrow means to take 1 from the next higher place value to help subtract when the top digit is smaller than the bottom digit.