3-Digit Subtraction with Regrouping

What is 3-digit subtraction?

• It involves subtracting numbers that have three digits, such as 721 or 965.

• It is a method used for adding three-digit numbers together.

• It refers to the process of multiplying three-digit numbers.

• It is a technique for dividing two-digit numbers.

What is the result of 900 - 450?

• 400

• 450

• 500

• 350

What is the result of 543 - 298?

• 245

• 250

• 240

• 255

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

• You regroup by borrowing from the next left digit.

• You ignore the bottom digit and keep the top digit.

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

• You add the top digit to the bottom digit.

What is the first step in 3-digit subtraction?

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

• Subtract the ones place first.

• Add the numbers together before subtracting.

• Ignore the place values and subtract directly.

What is the importance of place value in subtraction?

• Place value helps us understand which digits to subtract and whether we need to regroup.

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

• Place value determines the order of operations in subtraction.

• Place value is irrelevant in basic arithmetic operations.

Subtract 512 from 987.

• 475

• 489

• 493

• 472

Calculate: 827 - 491

• 436

• 345

• 512

• 399

What is the result of 600 - 275?

• 325

• 275

• 400

• 350

What is the difference between 800 and 456?

• 344

• 300

• 250

• 400