Photo of Mark Ellis.

About Mark Ellis

Mark Ellis, Ph.D., NBCT, is a professor of education at California State University, Fullerton and K–12 mathematics education scholar. He has written more than 40 publications and served on the National Council of Teachers of Mathematics (NCTM) Board of Directors and Executive Committee. Mark is a coauthor of Ready® Classroom Mathematics and his latest book is about creating productive mathematics learning environments for elementary students. You can find him on Twitter @EllisMathEd.

Latest Posts

How Students Develop Math Misconceptions 

It’s inevitable that students will develop math misconceptions, which are not the same thing as errors. However, math educators can correct misconceptions while also helping their students deepen their mathematical understanding. Learn how. 

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