部编数学教材几经修改,就总体上来说,已注意到中小学的衔接。当前由于中、小学教师对相互的教材不熟悉,特别是初中数学教师对学生小学实际水平了解不清楚,教学上起步点把握不准,而人为地造成了不衔接。我们认为,在教材的衔接问题上,要把握好四个部分(衔接点)的教学。一、由“算术数”发展到“有理数”学生升入初一,首先接触到负数,把算术数扩充到有理数域。而数的运算除加、减、乘、除外,又引入了乘方,开方运 After editing some of the math textbooks, on the whole, we have noticed the connection between primary and secondary schools. At present, primary and secondary school teachers are not familiar with each other's teaching materials. In particular, junior middle school mathematics teachers do not know the practical level of primary school students, and they are not sure of the initial starting point in teaching, and artificially cause no convergence. In our opinion, we should grasp the teaching of the four parts (convergence point) on the interface of teaching materials. First, from “arithmetic” to “rational” students into the first, first contact with the negative, the arithmetic expansion to a rational number domain. In addition to the number of operations addition, subtraction, multiplication, addition, but also the introduction of power, open the square fortune