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2016年昆山市“百节优秀课”活动召开,预赛课题是苏科版《义务教育教科书·数学》七年级上册第2章第8节《有理数的混合运算》,笔者在本课中创设了许多活动,收到了良好的教学效果,现将教学过程进行回顾并谈谈自己的感悟与思考。一、教学目标1.了解有理数混合运算的运算顺序,能正确地进行有理数的混合运算。2.灵活运用运算律(乘法分配律)简便有理数的混合
2016 Kunshan City, “one hundred excellent class” activities held, the pre-race subject is the Suke version of “compulsory education textbook · Mathematics” seventh grade on the second chapter eighth section “mixed rational numbers,” the author created in this lesson A lot of activities, received a good teaching effect, now the teaching process to review and talk about their own insights and thinking. First, the teaching objectives 1. Understand the operation sequence of rational numbers mixed operations, can be properly mixed rational numbers. 2 flexible use of arithmetic law (multiplication distribution law) simple rational number of mixed