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数学也需要阅读,特别是数学教师更要学会对数学教材的阅读。现以苏教版教材五年级上册小数乘整数为例,谈谈数学教材阅读的视野。一、阅读一节教材内容,探寻教学的重点这一节课的教学内容是学习小数乘一位数整数,掌握计算的方法并理解算理。算理是指计算过程中所依据的道理,用来帮助学生理解算法的合理性,那么,计算算理的选择也就应该是执教者重点考虑的内容。从教材中可以看出本节课小数乘整数提示了两种算理
Mathematics also need to read, especially mathematics teachers should learn to read mathematics textbooks. Is to Sujiao version of the fifth grade on the book by the decimal integer, for example, to talk about the field of reading mathematics textbooks. First, read a textbook content to explore the focus of teaching The lesson is to learn the decimal fraction of one-digit integer, master the calculation method and understand the arithmetic. Computation refers to the basis of the calculation process is based on the principle used to help students understand the rationality of the algorithm, then the calculation of the choice of the calculation should also be the focus of the coaching staff. It can be seen from the textbook that the decimal fraction of the class prompts two kinds of arithmetic