2022年人教版数学七年级上册1.3.1《有理数的加法》word导学案1 .pdf

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1、名师精编优秀教案有理数的加法名师精编优秀教案课题：1.3.1 有理数的加法（1）序号：07 学习目标：1、知识和技能：理解有理数加法法则能利用加法法则进行简单的有理数运算2、过程和方法：利用学生的生活经验和数轴理解有理数加法的合理性3、情感、态度、价值观：锻炼学生思维的严谨性，培养学生归纳和概括能力学习重点：理解有理数加法规定的合理性，根据有理数加法法则进行有理数的加法运算学习难点：分情况讨论有理数的加法法则的思路的建立异号两数相加的法则导学方法：课时：导学过程一、课前预习：预习课本内容，思考下面问题：1.引入负数后，加法运算有几种情况？2.引入负数后，怎样进行加法运算？3.完成导学案中的教材

2、导读和自主测评。二、课堂导学：1、导入在小学我们学过整数与零的加法运算，引入负数后，如何进行加法运算？2、出示任务自主学习阅读课本16-18 页内容，回答下列问题：（1）引入负数后，加法运算有几种情况？（2）引入负数后，怎样进行加法运算？（3）完成导学案中自主测评3、合作探究两个有理数相加，和是否一定大于每个加数？三、展示与反馈：请学生回答，并在展台上展示，师生交流讨论四、学习小结：1.有理数加法法则2.进行有理数加法运算时，先确定符号，再计算绝对值大小五、达标检测1.课本 P18 练习2.导学案展题设计课后作业：习题 1.3 1、2 导学案深化拓展板书设计：文档编码:CX1Y4Q5J4V8

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