3 Digit Subtraction With Regrouping

Solve: 409 - 152

• 257

• 250

• 260

• 255

What is the importance of place value in subtraction?

• Place value helps us understand which digits to borrow from and how to align numbers correctly.

• Place value is only important in addition, not subtraction.

• Place value determines the size of the numbers we can subtract.

• Place value is irrelevant in mathematical operations.

Solve: 537 - 212

• 325

• 315

• 320

• 330

What is the result of subtracting a larger number from a smaller number?

• You get a negative result.

• You cannot subtract a larger number from a smaller number without regrouping.

• The result is always zero.

• The result is the same as adding the two numbers.

How do you subtract in the ones place when the top digit is smaller than the bottom digit?

• You need to borrow 1 from the tens place, which makes the ones place digit 10 more than it was.

• You simply subtract the bottom digit from the top digit without any changes.

• You add the top digit to the bottom digit to get a new number.

• You ignore the ones place and only subtract the tens place.

What do you do after borrowing in subtraction?

• You add the bottom digit to the top digit.

• You ignore the bottom digit.

• You subtract the bottom digit from the adjusted top digit.

• You multiply the bottom digit by the top digit.

What is the first step in subtracting 3-digit numbers with regrouping?

• Line up the numbers by their place values: hundreds, tens, and ones.

• Subtract the ones place first without regrouping.

• Add the numbers together before subtracting.

• Ignore the place values and subtract directly.

Solve: 528 - 129

• 399

• 400

• 398

• 401

What is a common mistake when subtracting with regrouping?

• Forgetting to adjust the next higher place value after borrowing.

• Subtracting without borrowing when needed.

• Adding instead of subtracting the digits.

• Ignoring the place value of the digits.

What is regrouping in subtraction?

• The process of adding the top digit to the bottom digit.

• The process of borrowing from the next higher place value when the top digit is smaller than the bottom digit.

• The process of multiplying the top digit by the bottom digit.

• The process of ignoring the bottom digit when subtracting.