“教学”包括“教”和“学”两个方面,“教”必须通过“学”起作用。以前,由于不懂这一浅显道理,“呆教”、“死学”现象严重。后来,我们以复习、练习、自学等学生学习活动为主,教师在关键处稍作点拨,使教学收到了良好效果,其主要过程如下:一、铺垫。教师发油印题给学生练习。1.在括号内写出该组数的最小公倍数:6和8( ),5和7( ),54和18( ); “Teaching” includes both “teaching” and “learning”, and “teaching” must work through “learning”. In the past, due to ignorance of this simple truth, “teaching” and “death” were serious. Later, we review, practice, self-learning and other student learning activities, teachers in the key office a little call, so that teaching received good results, the main process is as follows: First, paving the way. Instructors inscribe questions for students to practice. 1. Write the least common multiple of the number in parentheses: 6 and 8 (), 5 and 7 (), 54 and 18 ();