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《新课程标准》明确指出:“单纯的依靠模仿与记忆不会提高数学学习的效率,动手操作、自主探索、合作交流才是数学学习的重要方式。”教师都知道直观的操作教学是数学教学的重要方式,也是课堂的重要活动。但是有许多老师对动手操作的本质含义不是很清楚,故产生了许多误区,从而应用不当。以下是笔者的观察与思考。一、不清楚动手操作的作用,忽视动手操作的本质【案例】教学10+20(一年级)分组讨论10+20的算法,汇报。生1:我是这样想的,1+2=3,所以10+20=30。
“New Curriculum Standard” clearly states: “Simply relying on imitation and memory will not improve the efficiency of maths learning, and it is an important way for maths to learn by hands-on, independent exploration and cooperation.” "Teachers all know that intuitive teaching of operation is An important way of teaching mathematics is also an important activity in the classroom. However, many teachers do not know the essential meaning of hands-on operation. Therefore, many mistakes have been made and improper application has been made. The following is the author’s observation and thinking. First, do not know the role of hands-on operation, ignoring the nature of hands-on operation 【Case】 Teaching 10 +20 (first grade) group discussion 10 +20 algorithm, report. Health 1: I think so, 1 + 2 = 3, so 10 + 20 = 30.