越来越多的教师意识到“引导”的重要性,但是许多尝试“自学·议论·引导”[1]教学法的教师在“引导”时不得要领.引导是一种智慧,目标性、多样性、灵动性、适切性是使用“引导”的基本原则.“引导”的实质就是教师在学生学习的过程中,在恰当的时候给予恰当的帮助,让学生亲历、体验数学知识的形成过程,提升自己的数学学习力. More and more teachers are aware of the importance of “guiding ”, but many teachers who try “self-study, discussing and guiding ” teaching method can not get the guide when “guiding ”. Wisdom, aim, diversity, agility, and aptitude are the basic principles of using “guidance.” The essence of “guidance” is that teachers, in the process of learning, should give proper help at the appropriate time, Let students experience, experience the formation of mathematical knowledge, improve their math learning ability.