When subtracting larger numbers, arrange the numbers vertically and subtract each column from right to left. When the lower digit is larger than the upper digit, subtraction will involve borrowing.

Subtraction with a zero in the minuend involves repeated borrowing.

Practice

1. Subtract 3914 - 1775 and add to check.

2. Subtract 3904 - 1686 and check.

3. Find 54,562 decreased by 14,485 and check.

4. Find the difference between 64,003 and 44,946 and check.

Answer Key

1) 2139

2) 2218

3) 40,077

4) 19,057