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[教学内容]苏教版小学数学(四下)第34页的思考题(多边形的内角和)。[教材简析]本节课的教学内容只是作为课堂教学的一种补充,是在学生学习了三角形的内角和的基础上展开的。
[Teaching content] Supibiao primary school mathematics (four times) p.34 of the question (polygon and angle). [Textbook analysis] The teaching content of this lesson is only as a supplement to classroom teaching, is developed based on the students learned the triangle’s internal angle and.