How do you find the difference between three-digit numbers without drawing out any pictures? 578 - 321= ?

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Presentation transcript:

How do you find the difference between three-digit numbers without drawing out any pictures? = ?

In this lesson you will learn how to add three-digit numbers by using expanded form.

Let’s Review Expanded form of a number:

A Common Misunderstanding Some people add the numbers they see, not their values

Core Lesson What is ?

Core Lesson What is ? = ?

Core Lesson What is ?

In this lesson you have learned to add three-digit numbers by using expanded form.