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在日常数学课堂教学中,我们常常发现教师单纯地教例题、教教材的现象。究其原因大致有两种情况:一是教师缺乏教学拓展意识,课堂上不愿意拓展;二是教师缺乏教学拓展策略,课堂上拓展不开。为了解决数学教师在课堂上“不愿拓展”和“拓展不开”的问题,我校提出了“小学数学课堂教学‘1+1+1’拓展模式实践研究”这一课题。“1+1+1”即基于一堂课、针对一个教学目标、落实一项教学拓展。现结合该课题的初步研究情况,谈谈多媒体课件在小学数学拓展教学中的运用。
In daily mathematics classroom teaching, we often find that teachers simply teach examples, teaching materials phenomenon. The reason there are two general conditions: First, the lack of teachers to develop awareness of teaching, the classroom did not want to expand; Second, the lack of teaching strategies to expand teachers, the classroom is not open. In order to solve the problem that maths teachers are not willing to expand in class and extend not open in class, our school proposes the practical research on 1 + 1 + 1 expansion mode of math class teaching in primary schools Question. “1 + 1 + 1 ” is based on a lesson, for a teaching goal, the implementation of a teaching expansion. Now combined with the preliminary study of the subject, talk about the use of multimedia courseware in elementary mathematics teaching.