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《义务教育数学课程标准》明确指出:小学数学教学目标不仅仅要使学生掌握基础知识及技能,而且要让学生在日常的教学活动中“经历、感受、体验、探索”让学生在探索学习中实现过程性目标,在探究过程中获得充分发展。教学过程:一、创设问题情景,激发探究欲望师:请同学们看以前语文课本中曹冲称象的一幅插图,思考:你想到什么?生:只要称船上装的石头,就知道大象的重量。师:请同学们再观察教学课本封面上用七巧板拼成的大正方形,比较其中的正方形和平行四边形的面积大小。
“Compulsory education mathematics curriculum standards” clearly states: primary mathematics teaching objectives not only to enable students to master the basics and skills, but also to enable students in their daily teaching activities “experience, feelings, experiences, explore ” for students to explore Achieve the process of learning objectives, in the process of exploration to obtain full development. Teaching process: First, the creation of the problem scenarios to stimulate the desire of the teacher: Students are welcome to see the previous textbook Cao Chong said an illustration of the image, thinking: What do you think? Health: as long as the ship called the stone, you know the elephant weight. Teacher: Please students then observe the teaching textbook cover with a large square puzzle, compare the size of the square and parallelogram.