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Intervention Research on Estimation Strategy Choices with 4-6 Graders
Author(s): 
Pages: 63-66
Year: Issue:  3
Journal: Journal of Mathematics Education

Keyword:  小学儿童估算策略选择策略指导;
Abstract: 估算是一种基本的数学能力,而能否恰当选择策略是估算过程的关键.利用自编估算算式题,考察小学四~六年级儿童在有无策略指导两种条件下估算策略选择的情况.结果发现:经策略指导后,四~六年级儿童的估算策略选择的最佳策略击中率显著高于无策略指导组;估算策略选择的个数也增加了,其中四年级增加得最显著,其次是五年级.研究表明,估算策略技能的短期指导、干预对四~五年级(10岁左右)儿童的估算策略选择有更大的影响.
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