新课程提出:数学教学应从学生的实际出发,创设有助于学生自主学习的问题情境,引导学生通过实践、思考、探索、交流、获得知识,形成技能,发展思维,学会学习,促使学生在教师的引导下活泼地、主动地、富有个性地学习。随着课改的不断深入,通过探索和实践,我发现“问题式教学”能有效地激发学 The new curriculum proposes that mathematics teaching should start from the students ’reality and create problem situations that help students to learn independently. They should guide students through practice, thinking, exploring, exchanging, acquiring knowledge, forming skills, developing thinking and learning to promote students’ Guided by lively, active, full of personality to learn. With the continuous deepening of curriculum reform, through exploration and practice, I found that “problem-based teaching” can effectively stimulate learning