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新课改要求,在数学教学活动中应为学生提供充分从事数学活动的机会。于是教师们使尽浑身解数:实践操作、小组讨论、合作探究、游戏竞赛……方法之多,层出不穷。课上,学生看似进行了热热闹闹的活动,但课后却了无痕迹,教师在设计活动时只注重了活动形式的开展,而忽视了活动的数学性与有效性,从而导致活动流于形式,学生的思维与能力得不到提升。数学本身是理性的,在这热闹活跃的背后,数学活动缺少什么?我们的活动缺少的是自然朴实、精心选材、目标导向和思考顿悟。
The new curriculum requirements, in mathematics teaching activities should provide adequate opportunities for students to engage in mathematical activities. So teachers did their best: practice, group discussions, cooperative exploration, game competitions ... as many ways. In class, the students seemed to have had a bustling activity, but after class they did not have any trace. Teachers only focused on the design of activities while neglecting the mathematics and effectiveness of the activities, In the form, students’ thinking and ability can not be improved. Mathematics itself is rational, behind this lively and dynamic, mathematics activities lack what? Our activities are lack of natural simple, well-selected material, goal-oriented and thinking epiphany.