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This work was developed at the University of Northern Iowa with support from the Center for Teaching and Learning Mathematics and the Iowa State Department of Education under Grant No. 6071 M2017-03

Any opinions, findings, conclusions, or recommendations expressed here are those of the authors and do not necessarily reflect the views of the US Department of Education or the Iowa Department of Education. 

Principal Investigator: Dr. Vicki Oleson
Content Contributor: Connie Terry
Development Team: Odette Bulmer, Deb Colflesh, Dr. Christina Curran, and Kim Miller 
Art & Design: Dana Lechtenberg
Editors: Julie Creeden, Jean Hitchman, Amy Frohardt-Schafer, and Kelly Westley
Technical Writers: Julie Creeden, Jean Hitchman, and Amy Frohardt-Schafer
Video Content: Jon Chamberlain  

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