二年级数学上册第4单元表内乘法(一)2_6的乘法口诀(234的乘法口诀)练习教案2新人教版.doc

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1(2 3 4 的乘法口诀)课 题 练习十一 课 型 复习课教学目标1、在练习中加深对乘法和加法的联系的认识。2、通过练习使学生有意义地掌握乘法口诀,灵 活 地 记 忆 乘 法 口 诀 , 探索数学规律,提高学习数学的能力与积极性重点 在记中练,在练中记难点 在记中练,在练中记教具课件教 学 过 程1.边画边说口诀画线段图,很形象地感受到乘法口诀,其实就是一个数的叠加过程,这样就更有利学生对乘法口诀的理解和识记。.用一句乘法口诀写出两个乘法算式。平时做题时,一般都是通过乘法口诀计算乘法算式。而这个题目却先有利口诀,再写出算式。这样的逆向练习,能让学生更好地建立口诀与算式的互依关系。.通过式子对比,进一步理解加法算式与乘法算式的区别。.看图先写出乘法算式,再想口诀。这个题目架起了乘法的意义和乘法口诀之间的桥梁。第题同样达到了这个目的。、通过昆虫采蜜这样的图形,乘法算式变得更有趣味性,也提高了学生对乘法算式和乘法口诀的探究兴趣。.打乱了乘法口诀的顺序,要求学生活记乘法口诀、活用乘法口诀。.通过荡秋千的直观图,让学生进一步理解乘法的叠加意义,跳出了乘法口诀的框架。板书设计不用板书 2教学反思

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