练习是指学生在老师的指导下巩固与运用知识,掌握技能与技巧的方法。它是以学生自身的独立活动为主的学习活动;学生通过多次反复的练习掌握技能技巧,进而形成分析问题和解决问题的能力,发展其创造力,并培养克服困难、勇于探索的良好的学习品质。 基于这样的认识,笔者为“乘法分配律”的教学设计了下面一组练习题,引导学生的思维水平螺旋上升。 Practice refers to students under the guidance of the teacher to consolidate and apply knowledge, skills and techniques. It is a learning activity that focuses on students' own independent activities. Students master skills skills through repeated exercises, so as to develop the ability to analyze and solve problems, develop their creativity, and cultivate good students who overcome difficulties and dare to explore. Learning quality. Based on this understanding, the author designed the following set of exercises for the teaching of “Multiplication Assignment Law” to guide students' spiral of thinking.