I like to modify these sheets to include several different forms, then give them to different table groups in my class to work through cooperatively. Aspects of the form include: Word Form, Expanded Form, Unit Form, Visual Representation on a Place Value Chart, and base-ten comparison. Already included in the editable Google Document are 5 different forms. However, you could edit to make more if you wanted! These pages could also be used within a Math Center, for Math journaling, or even for ind