Three Digit Subtraction (w/ Regrouping)

Front

What is three-digit subtraction?

Back

Three-digit subtraction is the process of subtracting a three-digit number from another three-digit number.

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 402 - 255?

Back

402 - 255 = 147.

Front

If there are 634 cars on Monday and 192 on Tuesday, how do you find how many more cars were there on Monday?

Back

Subtract Tuesday's cars from Monday's cars: 634 - 192 = 442.

Front

What is the result of 696 - 192?

Back

696 - 192 = 504.

Front

How do you solve 800 - 574?

Back

800 - 574 = 226.

Front

If 309 kids signed up for baseball and 238 were boys, how do you find the number of girls?

Back

Subtract the number of boys from the total: 309 - 238 = 71.

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.

Front

What do you do if the top digit is smaller than the bottom digit in a column?

Back

You need to regroup by borrowing from the next column to the left.

Front

What is the importance of place value in subtraction?

Back

Place value helps us understand the value of each digit and how to align numbers correctly for subtraction.