适当的课外作业,可以巩固并延伸课堂教学效果,同时也是培养学从生活中学数学、用数学的观念,提高实践能力和动手操作能力的重要途径。但是,目前教师布置的课外作业,形式上多是书面的,内容上主 Appropriate extracurricular assignments can consolidate and extend the effectiveness of classroom teaching. At the same time, it is also an important way to cultivate students’ abilities to learn mathematics and mathematics from life, and improve their practical abilities and hands-on abilities. However, at present, the extra-curricular assignments arranged by teachers are mostly written in form, and the content is YLAD