一、创造想说的情境数学学科的特点具有高度的抽象性和严密的逻辑性。而低年级学生年龄小，思维特点是以具体形象思维为主。我在教学中注意运用教具、学具，让每个学生在学习过程中都动手操作，直观地参与教学，有目的组织学生观察，在摆一摆，拼一拼，画一画，折一折，量... First, create the situation you want to say Mathematical characteristics of a highly abstract and rigorous logic. The younger students are young, thinking characteristics are based on the specific image of thinking. I pay attention to the use of teaching aids in teaching, learning tools, so that each student in the learning process are hands-on, intuitive to participate in teaching, purposeful organization of student observation, in a swing, fight spelling, draw a picture, a discount ,the amount...