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数学活动经验是指教师创设特定的活动背景,引导学生经历具体的数学活动过程,通过观察、推理、抽象等心理活动,建立基于个体认知水平上的学习经验,并将这些经验迁移到后继学习中。“课标”(2011版)把“数学活动经验”和“基本知识”、“基本技能”、“基本思想”并列为数学课程总目标。可见积累数学活动的经验对促进学生的可持续发展有着举足轻重的作用。如何开展有效的数学活动,引导学生在活动中积累数学活动经验?下面以第一学段“倍的初步认识和运用”的教学为例进行阐述。
The experience of mathematics activity refers to the teacher creating a specific activity background, guiding students to go through the process of specific mathematical activities, establishing learning experience based on individual cognition level through observation, reasoning, abstraction and other psychological activities, and transferring the experience to subsequent learning in. “Class Standard ” (2011 Edition) “Mathematics experience” and “basic knowledge ”, “basic skills ”, “basic idea ” as the total goal of mathematics course. Shows that the accumulation of experience in mathematical activities to promote the sustainable development of students play a decisive role. How to carry out effective mathematics activities and guide students to accumulate experiences of mathematics activities in their activities? The following is an example of the teaching of the first period “times the initial understanding and application ”.