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数学第十三周教学反馈及作业  

2015-05-29 13:09:08|  分类: 默认分类 |  标签: |举报 |字号 订阅

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不知不觉火红的五月即将离我们而去,下周我们将迎来激情的六月,迎来属于孩子们自己的节日——六一国际儿童节。在这里我代表所有的老师们祝孩子们:六一儿童节快乐!

本周我们首先将小数的加减法进行了整理和复习,然后就开始了第七单元《图形的运动(二)》的学习。本单元内容包括轴对称图形的认识,画轴对称图形,平移图形。课堂上孩子们在看一看、画一画、找一找、数一数、填一填操作活动中,积累图形运动的经验,描述或画出图形的运动和变化,促进学生在探索和理解“运动”的过程中,认识图形之间的关系,培养学生的空间观念和思维能力。另外本单元还有一个重要特点是要在方格纸上画图。这里的方格图不仅仅可以提供给学生简单的数据提示,以便成功地发现规律,还能够帮助学生在计算的基础上建立形的表象,帮助学生建立空间观念。方格图发挥了测量标准的重要作用,除了帮助学生发现和总结计算方法,更为学生理解和感受图形之间的联系起到了重要的作用。同时方格图为学生提供实践的空间,使学生有了“做”数学、体验数学、经历数学的机会,有助于学生更好地学习数学知识,掌握数学学习的方法。学生在这样的活动中,不仅收获了知识,也积累了测量的意识和方法,发展了空间观念。本单元的练习对孩子们作图的要求非常高,所以统一要求用铅笔直尺规范画图。因此,在做家庭作业的时候请您关注一下孩子这一方面的情况,培养孩子良好的作图习惯。   

本周作业:

1、    打印计算空白卷带到学校。

2、    实践作业:用学过的图形剪拼美丽的图画,看谁最有创意哦!                            

                                                                                                                                                                                                                                                                                                                                                           

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  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