新课程改革致力于改变题海战术、死记硬背的弊端,倡导学生通过自主探索、动手操作的过程提高解决问题的能力。抛描式教学中,教师把课堂还给学生,让学生在发现问题、生成问题、解决问题中获得发展。教师不再高高在上,而是学习活动的组织者、帮助者,随时为学生提供必要的帮助,为学生的深入发展提供支撑。一、当前梯形面积教学设计存在的问题(一)目标不全面教学目标应是三维目标的和谐统一,在传统教学中,教学 The new curriculum reform is committed to changing the drawbacks of the tactics, rote memorization and advocating students to improve the ability to solve problems through the process of independent exploration and hands-on operation. Parabolic teaching, the teacher returned the class to the students, so that students find problems, generate problems, solve problems to gain development. Teachers are no longer high above, but learning activities organizers, helpers, ready to provide students with the necessary help to support the in-depth development of students. First, the current design of the trapezoidal area of ​​teaching problems (A) the goal is not comprehensive Teaching objectives should be the three-dimensional goal of the harmonious unity in the traditional teaching, teaching