【教学内容】浙教版二年级第92页。【教学重点、难点】从直观到抽象,经历余数产生和带余除法算式抽象的过程,实现余数的意义和带余除法含义的建构;初步感悟余数小于除数规定的合理性和余数的变化规律,培养抽象能力和推理能力。【教学过程】一、从源头引入师:在生活中我们经常遇到平均分东西的情况,那什么是平均分呢?生:每份一样多。师:说得挺好,我们来一起 【Teaching content】 Zhejiang PEP grade two 92Page. 【Teaching Points, Difficult Points】 From intuition to abstraction, the process of generating remainder and abstracting method with residual division method realizes the construction of the meaning of remainder and the meaning of residual division method. The initial sentiment is less than the rationality of divisor rules and the variation rule of remainder, Develop abilities of abstraction and reasoning. 【Teaching process】 First, the introduction of teachers from the source: in life we ​​often encounter an average of things, then what is the average score? Health: each as much. Teacher: Well done, let’s come together