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 51 - 27 using regrouping?

Back

First, regroup 51 into 4 tens and 11 ones. Then subtract: 11 - 7 = 4 (ones) and 4 - 2 = 2 (tens). So, 51 - 27 = 24.

Front

What is the answer to 6,476 - 4,327?

Back

The answer is 2,149.

Front

How do you solve 407 - 188?

Back

Subtract the ones: 7 - 8 (regroup to make it 17 - 8 = 9). Then subtract the tens: 0 - 8 (regroup to make it 10 - 8 = 2). Finally, subtract the hundreds: 4 - 1 = 3. So, 407 - 188 = 219.

Front

What is the answer to 73 - 27?

Back

The answer is 46.

Front

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

Back

Regroup as needed and subtract each column: 5 - 6 (regroup), 4 - 3, 9 - 8, 0 - 4 (regroup), and 8 - 7. The answer is 6,109.

Front

What is a minuend?

Back

The minuend is the number from which another number (the subtrahend) is subtracted.

Front

What is a subtrahend?

Back

The subtrahend is the number that is being subtracted from another number (the minuend).

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means taking 1 from the next higher place value to help subtract when the top number is smaller than the bottom number.