离散型随机变量数学期望的教学探讨

On Teaching Mathematical Expectation of Discrete Random Variable

本文围绕离散型随机变量的数学期望展开,根据“从实际生活中来,到实际生活中去”这一教学理念推动整个教学过程,引导学生了解数学期望的数学史发展,学习并理解数学期望的概念,培养学生学以致用的能力.通过增强与学生之间的互动,将单向授课变成师生间的教学相长,全面提高教学效果.

This paper focuses on the teaching of mathematical expectation of discrete random variable.The entire teaching process is promoted according to the teaching concept of“from the real life,to the real life”.With the mathematical history of mathematical expectation,we guide students to learn and understand the concept of mathematical expectation,and cultivate students ability of utilizing what they have learned.Furthermore,the one-way teaching is transformed into a mutual teaching between teachers and students by enhancing the interaction with students,which comprehensively improves the teaching effect.