几年来的数学教学实践使我深深体会到,灵活地运用投影手段,不仅有利于激发学生学习动机,突破教学难点,巩固学生所学知识,培养学生观察能力和思维能力;而且还能弥补传统教学模式过于单一、枯燥乏味的不足。激发学习动机投影可以形象直观地显示教学内容,集生动性、趣味性和变化性于一体,并能结合特定的情境去激发学生的学习兴趣,促使他们集中注意力,自觉去探索新知,从而提高教 Years of mathematics teaching practice made me realize that the flexible use of projection means not only help to stimulate students’ learning motivation, break through teaching difficulties, consolidate students’ knowledge, develop students’ observation ability and thinking ability, but also make up for the traditional Teaching model is too single, boring lack of. Motivational learning motivation projection can visually display teaching content, set vividness, interest and variability in one, and can be combined with specific situations to stimulate students’ interest in learning, encourage them to focus their attention and consciously to explore new knowledge, thereby enhancing teach