3 Digit Subtraction

Front

What is 3-digit subtraction?

Back

3-digit subtraction is the process of subtracting one 3-digit number from another 3-digit number.

Front

What is the first step in 3-digit subtraction?

Back

The first step is to line up the numbers by their place values: hundreds, tens, and ones.

Front

How do you subtract in the ones place?

Back

Subtract the bottom digit from the top digit in the ones place. If the top digit is smaller, you need to borrow from the tens place.

Front

What does it mean to borrow in subtraction?

Back

Borrowing means taking 1 from the next left place value to help subtract when the top digit is smaller than the bottom digit.

Front

What is the result of 456 - 123?

Back

The result is 333.

Front

How do you subtract in the tens place?

Back

Subtract the bottom digit from the top digit in the tens place. If you borrowed, remember to adjust the top digit.

Front

What is the result of 789 - 456?

Back

The result is 333.

Front

What do you do if you need to borrow from the hundreds place?

Back

If you need to borrow from the hundreds place, you take 1 from the hundreds and add 10 to the tens place.

Front

What is the result of 500 - 275?

Back

The result is 225.

Front

What is the importance of place value in subtraction?

Back

Place value helps you understand which digits to subtract and ensures accurate calculations.