a brief companion for teacher educators and others Abramovich, Sergei creator author. text bibliography nju 2022 monographic eng

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xxi, 287 pages : illustrations ; 23 cm. Teaching PreK-k mathematics--Teaching operations in grade 1-4--Conceptual shortcuts--Decomposition of integers into like addends--Activities with addition and multiplication tables--Using technology in posing and solving problems--Fractions--From fractions to decimals to percent--Ratio as a tool of comparison of two quantities--Geometry--Elements of combinators: counting through a system--Elements of probability theory and data management--Developing technology used in the book. Sergei Abramovich. Includes bibliographical references and index. Mathematics Study and teaching (Elementary) QA135.6 .A23 2022 372.7 Ab832t 9789811256998 CSPC 260930 20260930113345.0 eng