Developing essential understanding of ratios, proportions, and proportional reasoning for teaching mathematics in grades 6-8 /

• 作者：Joanne Lobato, Amy B. Ellis ; Randall I. Charles, volume editor.
• 出版者：National Council of Teachers of Mathematics
• 出版地：Reston, VA :
• 語文：英語
• 叢書名：Essential understanding series ; A series for teaching mathematics
• ISBN/ISSN/ISRC：9780873536226 ; 0873536223
• 作者：Lobato, Joanne;Ellis, Amy B.;Charles, Randall I.
• 索書號：372.7