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数学练习是一种有目的、有指导、有组织的学习活动,是学生掌握知识、形式技能、发展智力的基本途径。因而精心设计练习,提高练习的效率,是提高教学质量的重要保证。传统的教学中,老师讲得多,学生练得少,课内不足课后补,造成教
Mathematics practice is a kind of purposeful, guided and organized learning activities. It is a basic way for students to master knowledge, form skills and develop intelligence. Therefore, careful design exercises to improve the efficiency of practice is an important guarantee to improve the quality of teaching. In the traditional teaching, the teacher speaks a lot, the student practice is less, the insurmountable lesson after class, cause to teach