《数学课程标准》强调数学教学应从学生实际出发,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,促使学生在教师指导下生动活泼地、主动地、富有个性地学习。问题是数学的心脏,是创造思维的源泉。在教学中,我们应有意识地创设发现问题的情境,这是发展思维的关键一环,也是培养学生创新能力的好途径。在教学中,我们应有意识地创设问题情境,激发学生求知的欲望。1、用新旧知识的冲突,激发 The standard of mathematics curriculum emphasizes that mathematics teaching should proceed from students ’reality and create problem situations that help students to learn independently. Students should be encouraged to practice, think, explore, communicate, acquire knowledge, form skills, develop thinking and learn to promote students’ Teachers under the guidance of lively, active, full of personality learning. The problem is the heart of mathematics, is to create a source of thinking. In teaching, we should consciously create a situation to discover the problem, which is a key part of the development of thinking, but also a good way to develop students’ innovative ability. In teaching, we should consciously create a problem situation, to stimulate students desire for knowledge. 1, conflict with the old and new knowledge, inspire