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教学内容苏教版小学数学五年级下册第112页。教学过程一、欣赏图案,感受美同学们,通过本单元的学习,我们对圆有了一定的了解。我们还发现不管是自然现象、工艺品、建筑物中,还是运动现象中,都有圆的影子,真可谓“圆无处不在”。正像一位古希腊数学家所说:在一切平面图形中,圆是最美的。我们用圆还可以设计很多的漂亮图案,美化我们的生活。1.请看屏幕(图一),看了这些美丽的图案,你有什么想法?请谈一谈。
Teaching content Sujiao primary school mathematics fifth grade volume of the first 112 pages. Teaching process First, enjoy the design, feel the United States students, through the learning of this unit, we have a certain understanding of the circle. We also find that there is a round shadow in natural phenomena, crafts, buildings, and sports phenomena, which is truly “round everywhere.” As one ancient Greek mathematician said: The circle is the most beautiful in all the graphic figures. We use the circle can also design a lot of beautiful patterns, beautify our lives. 1. Look at the screen (Figure 1), read these beautiful patterns, what are your thoughts? Please talk about.