依据国家教委教基［１９９８］１号文件精神，为解决学生学习负担过重问题，结合辽宁省初中数学教学实际，省教委适时地提出数学学科教学内容和教学要求的调整意见。涉及人教版初中代数、几何各册教材；删减教学内容共１２课时，有５项教学内容降低教学要求；确定不再做为考试 According to the spirit of the National Education Committee Jiaoji [1998] No. 1 document, in order to solve the problem of students’ excessive study burden and combined with the practice of junior middle school mathematics teaching in Liaoning Province, the provincial education committee timely proposed adjustment opinions on the teaching content and teaching requirements of the mathematics subject. Involved in the teaching of junior middle school algebra and geometry textbooks of the People’s Education Press; deleting 12 teaching hours, there are 5 teaching contents to reduce teaching requirements;