Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Place Value 3
Learn how to write a five-digit whole number in expanded form by watching a video. Practice problems are available. [5:20]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Place Value 1
This video teaches place value to the thousands. Practice problems are available. [2:25]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Place Value 2
This video shows how to write a number in the hundred millions in standard form from a description. Practice problems are available. [4:09]