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Place Value-Plus. Model A: 30-grid insert for upper tray and 30 large numerals for lower tray, Model B: 30 large numerals for lower tray, Model C: sliding counter columns + 30 numerals for lower tray + instruction booklet

Place Value-Plus. Model A: 30-grid insert for upper tray and 30 large numerals for lower tray, Model B: 30 large numerals for lower tray, Model C: sliding counter columns + 30 numerals for lower tray + instruction booklet

Review by: Alon Stevens and Monica Peterson

期刊名称The Arithmetic Teacher
作者Review by: Alon Stevens and Monica Peterson
卷第40卷
期第2期
印刷ISSN0004-136X
文件大小329.35KB
发表时间1992-10
DOI10.2307/41195282

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