Three-digit Subtraction With Regrouping

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting one three-digit number from another. It often involves regrouping when the top digit is smaller than the bottom digit.

Front

What does regrouping mean in subtraction?

Back

Regrouping in subtraction means borrowing from the next higher place value when the top digit is smaller than the bottom digit.

Front

How do you subtract 1 from 0 in the ones place?

Back

You need to borrow 1 from the tens place, making the 0 in the ones place become 10.

Front

What is the first step in subtracting 671 - 399?

Back

The first step is to look at the ones place: 1 - 9. Since 1 is smaller than 9, we need to regroup.

Front

What do you do after regrouping in 671 - 399?

Back

After regrouping, the ones place becomes 11 (after borrowing 1 from the tens place), so now you can subtract: 11 - 9 = 2.

Front

What is the result of 470 - 280?

Back

The result is 190.

Front

How do you subtract 0 from 2 in the tens place?

Back

You simply write down 2, as subtracting 0 does not change the number.

Front

What is the result of 400 - 280?

Back

The result is 120.

Front

What is the process of subtracting 220 - 190?

Back

First, subtract the ones place: 0 - 0 = 0. Then, subtract the tens place: 2 - 9 requires regrouping, so you borrow from the hundreds.

Front

What is the final answer for 612 - 295?

Back

The final answer is 317.