论文部分内容阅读
教学内容:小学数学人教版四年级上册第五单元。教学目标:1.借助小棒图、百格图直观地让学生在试商过程中理解除数是整十数的笔算的算理,并掌握除数是整十数的除法笔算的方法。2.通过小组学习,培养学生主动参与学习、交流的能力。3.培养学生的概括、推理能力,以及认真书写、细心计算的良好习惯。教学重难点:1.试商的方法。
Teaching content: Elementary mathematics PEP fourth grade on the fifth unit. Teaching Objectives: 1. With the bar graph, 100 grid chart visually allows students to understand the trial process divisor is the whole number of pen calculations, and masters the divisor is the whole number of ten division method. 2. through group learning, develop students’ ability to actively participate in learning and communication. 3. Cultivate students’ generalization, reasoning ability, and good habits of serious writing and careful calculation. Teaching difficult: 1. Trial method.