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Developing Skills in Estimation

Dale Seymour

出版	Dale Seymour Publications, 1981
主題	Juvenile Nonfiction / Mathematics / GeneralYoung Adult Nonfiction / Mathematics / General
ISBN	08665101259780866510127
URL	http://books.google.com.hk/books?id=MlIYPwAACAAJ&hl=&source=gbs_api

註釋

Blackline masters for duplication and use as student worksheets to help students develop their estimating abilities and learn to use approximate numbers.