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作业是化学教学不可缺少的环节之一,是培养学生学习方法的一个重要途径,是沟通教与学的桥梁,是教师间进行信息交流的重要渠道。但目前化学作业存在两大问题:(1)一些教师布置的作业量多质差,且形式单一,既增加了学生的负担,又不利于教学效率的提高;(2)学生对作业的兴趣不断下降,作业抄袭现象日益增多。要扭转这种有碍于减轻学生负担,提高教学质量的局面,关键是要把好布置作业关。布置作业是化学教师必须熟练掌握的重要教学技能,要使作业既受学生欢迎,又有实效,笔者认为在布置作业时应遵循以下基本原则。
Homework is one of the indispensable links in chemistry teaching. It is an important way to cultivate students’ learning methods. It is a bridge to communicate teaching and learning and is an important channel for teachers to exchange information. However, there are two major problems in current chemical operations: (1) Some teachers have a poor quality of assignments and a single form, which not only increases the burden on students, but also is not conducive to the improvement of teaching efficiency; (2) students’ interest in homework Decline, plagiarism in the operation is increasing. To reverse this situation that hinders the reduction of students’ burdens and improves the quality of teaching, the key is to close the arrangements. Arrangement assignments are important teaching skills that chemistry teachers must master. To make assignments both popular and effective, I believe that the following basic principles should be followed when assigning homework.