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Number Worlds Number Worlds, Conceptual Development Activities Book

Sharon Griffin

出版	McGraw Hill LLC, 2010-08-04
主題	Mathematics / General
ISBN	00211380369780021138036
URL	http://books.google.com.hk/books?id=lj0vngEACAAJ&hl=&source=gbs_api

註釋

Number Worlds was developed to expose and develop children's understanding of the three worlds of mathematics: quantity, number, and symbols.