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H.S. Yaseen
The author is a former elementary-school teacher who specialized in teaching remedial arithmetic as well as enrichment mathematics. She holds a teaching certificate from Oranim-teachers’ seminar in...view moreThe author is a former elementary-school teacher who specialized in teaching remedial arithmetic as well as enrichment mathematics. She holds a teaching certificate from Oranim-teachers’ seminar in Israel, and an Ed.M. in Early Childhood from Boston University.view less
Books by H.S. Yaseen
Two and Two Make Zero: The Counting Numbers, Their Conceptualization, Symbolization, and Acquisition