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.

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 regroup from the tens place, making the ones place 10 and then subtract 1.

Front

What is the result of 671 - 399?

Back

272

Front

What is the result of 400 - 280?

Back

120

Front

What is the result of 470 - 280?

Back

190

Front

What is the result of 320 - 190?

Back

130

Front

What is the result of 220 - 190?

Back

30

Front

What do you do if you can't subtract the bottom digit from the top digit?

Back

You regroup from the next place value.

Front

What is the first step in three-digit subtraction?

Back

Line up the numbers by place value (hundreds, tens, ones).