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Are you Deborah Schifter, author of the books below?
But Why Does It Work? by Deborah Schifter Connecting Arithmetic to Algebra (Professional Book) by Deborah Schifter Algebra by Deborah Schifter What's Happening in Math Class, Volume 2 by Deborah Schifter Number and Operations, Part 2 by Deborah Schifter Number and Operations, Part 3 by Deborah Schifter Geometry by Deborah Schifter Geometry by Virginia Bastable Reasoning Algebraically About Operations by Deborah Schifter Building a System of Tens by EDC Staff


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