Kathleen A. Cramer

Reconstructing the unit on the number line: Tasks to extend fourth graders’ fraction understandings

Debra Monson, Terry Wyberg, Kathleen A. Cramer, 2019 .

Rational Number Project

Richard Lesh, Thomas R. Post, Merlyn J. Behr, 1997 .

Using Models to Build Fraction Understanding

Kathleen A. Cramer, Sue Ahrendt, Debra S. Monson, 2020 .