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三年级学生在刚学习了“加和减”、“乘法”之后,对于计算教学的拓展往往感觉到枯燥。对此,笔者有机结合教学内容,巧妙设计了一节思维训练课,让学生经历观察、猜测、验证的过程,使学生掌握这类有趣算式的特点,并能运用自己的发现,创造算式、验证算式,培养了学生的观察、猜想、抽象、概括等能力以及合作交流的能力。
Third grade students just learning “plus and minus ”, “multiplication ”, the expansion of computing often tend to feel boring. In this regard, I combine the teaching content, the clever design of a thinking training class, so that students experience observation, speculation, verification process, so that students master the characteristics of these interesting formulas, and can use their own discovery, to create formulas, verify Formula, cultivate the students’ observation, conjecture, abstraction, general ability and cooperation and exchange ability.