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 first step in three-digit subtraction with regrouping?

Back

The first step is to line up the numbers by place value (hundreds, tens, and ones).

Front

How do you regroup from the tens place to the ones place?

Back

If you need to subtract a larger digit from a smaller digit in the ones place, you borrow 1 from the tens place, which becomes 10 in the ones place.

Front

What happens to the tens place when you regroup?

Back

When you regroup, you subtract 1 from the tens place, reducing its value by 1.

Front

Solve: 234 - 67 = ?

Back

167

Front

Solve: 512 - 298 = ?

Back

214

Front

What is the result of 100 - 45?

Back

55

Front

If you have 300 - 125, what is the answer?

Back

175

Front

What is the importance of place value in subtraction?

Back

Place value helps you understand which digits to subtract and whether you need to regroup.