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小学数学课堂要精讲多练,《数学课程标准》提出:“学生应当有足够的时间和空间经历观察、实验、猜测、计算、推理、验证等活动过程。”其中的猜测、计算、推理、验证等活动过程都离不开习题训练,课堂练习成为数学教学的一个重要环节。练习组织得好,不仅能使学生巩固所学的知识,而且能使知识得以升华,进而理清思
The mathematics lesson in primary schools should be more precise and multi-practice, and the standard of mathematics curriculum puts forward: “Students should have enough time and space to go through such activities as observation, experiment, speculation, calculation, reasoning and verification.” The guesses, Reasoning, verification and other activities are inseparable from the exercise exercises, classroom practice has become an important part of mathematics teaching. Practicing well organized, not only enable students to consolidate the knowledge they have learned, but also to enable knowledge to sublimate, and then clarify thinking