Three-Digit Subtraction with Regrouping

Front

What is three-digit subtraction with regrouping?

Back

It is a method used to subtract numbers that have three digits, where you may need to borrow from the next higher place value if the top digit is smaller than the bottom digit.

Front

When do you need to regroup in subtraction?

Back

You need to regroup when the digit in the top number is smaller than the digit in the bottom number in any place value.

Front

What is the result of 500 - 280?

Back

220

Front

What is the result of 300 - 145?

Back

155

Front

What is the result of 600 - 275?

Back

325

Front

What is the result of 700 - 450?

Back

250

Front

What is the result of 800 - 365?

Back

435

Front

What is the result of 900 - 478?

Back

422

Front

What does it mean to borrow in subtraction?

Back

To borrow means to take 1 from the next higher place value to help subtract when the top digit is smaller than the bottom digit.

Front

What is the first step in three-digit subtraction with regrouping?

Back

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