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The Amazing Arithmos. visual learning aid for basic mathematics, 2 distinctive number patterns: front-face hundred board (black numerals), reverse-face multiplication matrix (red numerals), and basic instructions books (English & Spanish)

The Amazing Arithmos. visual learning aid for basic mathematics, 2 distinctive number patterns: front-face hundred board (black numerals), reverse-face multiplication matrix (red numerals), and basic instructions books (English & Spanish)

Review by: Monica Petersen and Alon Stevens

期刊名称The Arithmetic Teacher
作者Review by: Monica Petersen and Alon Stevens
卷第40卷
期第4期
印刷ISSN0004-136X
文件大小335.09KB
发表时间1992-12
DOI10.2307/41195331

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