Reading and Writing Whole Numbers in Expanded Form

The video tutorial explains how to write the number 20,430 in expanded form. It begins by introducing the concept of expanded form and the importance of place value. The number is broken down into thousands and ones groups using a place value chart. The tutorial highlights non-zero digits and calculates their values based on their positions. Finally, it demonstrates how to express the number in expanded form by adding the values of the non-zero digits, resulting in 20,000 + 400 + 30, which sums up to the original number.

Describe the process of writing a number in expanded form using a place value chart.

What do you do with the zero digits when writing a number in expanded form?

Explain how the digit 2 in the number 20,430 contributes to its value.

How do you determine the value of the digit 4 in the number 20,430?

What is the expanded form of the number 20,430?