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心理学研究表明:小学阶段随着年级的升高,学生的思维品质不断发展,特别是思维的敏捷性和灵活性有较大的发展,在教学的影响下,学生的计算速度将进一步提高。灵活运用简便运算的能力不断增强,一部分学生在探究能力和思维的创造性方面有了较好的发展。然而,有相当一部分学生在选择合理算法时面临着困难。因此,我抓住有利时机,结合计算教学中的简便运算加强培养学生自觉选择合理算法的意识与能力。
Psychological research shows that: With the increase of grade in primary school, the thinking quality of students is developing constantly, especially the agility and flexibility of thinking have great development. Under the influence of teaching, the calculation speed of students will be further improved. The ability to use simple calculations flexibly is continually enhanced, and some students have made good progress in exploring the creativeness of their abilities and thinking. However, a considerable number of students face difficulties in choosing sound algorithms. Therefore, I seize the favorable opportunity, combined with the simple calculation of teaching to strengthen students consciously choose a reasonable algorithm awareness and ability.