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教学内容:人教版《义务教育课程标准实验教科书·数学》三年级上册第七单元“长方形和正方形”第79~80页。教学目标:1.直观感知四边形,能区分和辨认四边形,进一步认识长方形和正方形的特征。2.通过画一画、找一找、摆一摆、围一围、剪一剪等活动,培养学生的观察比较和概括抽象能力。3.感受生活中的四边形无处不在,体会数学与日常生活的联系,进一步激发学生的学习兴趣。教学重点:感知四边形的特征,能辨别四边形。
Teaching content: PEP “compulsory education curriculum standard experimental textbook mathematics” third grade on the seventh unit “rectangle and square ” 79 ~ 80 pages. Teaching Objectives: 1. Intuitive perception quadrilateral, can distinguish and identify quadrilateral, further understanding of the characteristics of rectangular and square. 2. Draw a picture, look for a look, put a swing, Wai Wai, cut a cut and other activities, training students to observe the comparison and general abstraction ability. 3. feel the quadrangles in life everywhere, understand the relationship between mathematics and daily life, to further stimulate students interest in learning. Teaching focus: perception of the characteristics of the quadrilateral, can identify the quadrilateral.