Subtracting 3-Digit Numbers

Front

What is subtraction?

Back

Subtraction is the mathematical operation of finding the difference between two numbers.

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 place value (hundreds, tens, units) and subtract each column starting from the right.

Front

What is borrowing in subtraction?

Back

Borrowing is a method used in subtraction when the top digit is smaller than the bottom digit in a column.

Front

What is the difference between 491 and 135?

Back

The difference is 356.

Front

What is the difference between 334 and 213?

Back

The difference is 121.

Front

What is the difference between 140 and 116?

Back

The difference is 24.

Front

What is the difference between 277 and 231?

Back

The difference is 46.

Front

What is the difference between 505 and 101?

Back

The difference is 404.

Front

What does it mean to regroup in subtraction?

Back

Regrouping in subtraction means rearranging the numbers to make the subtraction easier, often involving borrowing.