Subtracting Multiples of 100

This video tutorial teaches how to subtract multiples of 100 from numbers using a number line. It begins with an introduction to subtracting 100, followed by a review of subtracting 100 from three-digit numbers. The tutorial then covers subtracting multiples of 100, providing practical examples and advanced techniques. The key focus is on understanding how the hundreds digit changes while the tens and ones digits remain the same.

What happens to the hundreds digit when you subtract 100 from a number?

• It increases by one.

• It decreases by one.

• It doubles.

• It stays the same.

When subtracting 100 from 435, what is the resulting number?

• 325

• 335

• 345

• 355

If you subtract 100 from 800, what is the result?

• 500

• 600

• 700

• 900

What is the result of subtracting 300 from 800?

• 700

• 600

• 500

• 400

How many blue tiles does Mrs. Lip have after giving 200 to Mr. Clark's class?

• 400

• 200

• 600

• 800

Carrie had her game marker on 875 and turned over a card with minus 300. Where did she end up?

• 475

• 775

• 675

• 575

How many sandwiches were left after students ate 400 out of 625?

• 425

• 325

• 525

• 225

What is the result of subtracting 400 from 850?

• 750

• 650

• 550

• 450

What is the result of subtracting 200 from 600?

• 500

• 400

• 300

• 200

What is the key concept learned in this lesson?

• Adding multiples of 100

• Dividing by 100

• Multiplying by 100

• Subtracting multiples of 100 using a number line