Subtracting 3-Digit Numbers

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers. It involves taking one number away from another.

Front

What is a 3-digit number?

Back

A 3-digit number is a number that has three digits, ranging from 100 to 999.

Front

How do you subtract 3-digit numbers?

Back

To subtract 3-digit numbers, align the numbers by their place values (hundreds, tens, units) and subtract each column starting from the right.

Front

What is borrowing in subtraction?

Back

Borrowing is a technique used in subtraction when the top digit is smaller than the bottom digit in a column. You 'borrow' from the next left column.

Front

What is the difference between 593 and 386?

Back

207

Front

What is the difference between 277 and 231?

Back

46

Front

What is the difference between 334 and 213?

Back

121

Front

What is the difference between 319 and 210?

Back

109

Front

What is the difference between 505 and 101?

Back

404

Front

What does it mean to check your work in subtraction?

Back

Checking your work means verifying your answer by adding the difference to the smaller number to see if it equals the larger number.