借助直观模型,促进算理理解——“两位数乘两位数(横式笔算)”的教学实践和反思

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1001-8875|volume|1|20-22

ISSN: 1001-8875

Source: 数学教学通讯, Vol.volume, Iss.1, 2017-01, pp. : 20-22

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Abstract