1.Knowing where you are going helps you know how to get there: Peter Sullivan, Rebecca Youdale and Robyn Jorgensen describe tasks that help facilitate students' understanding of subtraction.

作　　者：Sullivan, Peter ;Youdale, Rebecca ;Jorgensen, Robyn

出　　处：Australian Primary Mathematics Classroom. 2009 ;(December).

出版社：The Australian Association of Mathematics Teachers, Inc.

文章 ID：218321359

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