Writing Numbers in Expanded Form Using Arrow Cards

This lesson teaches how to read and write numbers in expanded form using arrow cards. It covers building numbers with arrow cards, understanding place value, and converting between expanded and standard forms. The lesson also addresses common mistakes and demonstrates how to reorder numbers in expanded form. Additionally, it explains translating numbers from word form to expanded form.

What is a common mistake students make when interpreting digits in a number?

Explain how to determine the value of a digit in a number.

What is expanded form and how is it used?

How would you write the number 67,821 in expanded form?

Describe how to check your work when converting from expanded form to standard form.

What steps would you take to convert a number from expanded form to standard form?

How can numbers be represented in word form and what does that signify?