教学内容苏教版小学数学五年级(下册)第86~87页。教学目标1.通过学生动手操作,进一步理解密铺的含义并了解可以密铺的图形形状,了解图形密铺在实际中的应用,增强学生的应用数学意识;2.会在方格纸上画出用三角形、四边形和梯形等密铺的图形;3.理解密铺原理,进一步培养学生的空间 Teaching content Jiangsu Education Primary School Mathematics fifth grade (second volume) 86 ~ 87 pages. Teaching Objectives 1. Through student hands-on operation, to further understand the meaning of paving the shop and understand the shape of the shop can be paved to understand the application of the graphic shop in practice, and enhance students’ applied mathematics awareness; 2. Will draw on the graph paper Out of the triangle, quadrangle and trapezoidal and other closely spaced graphics; 3. understanding of the principle of dense shop to further develop the students’ space