“实践、探索”是新课程改革倡导的学习方式,在数学实践课教学中尤为重要。教学苏教版(国标本)《大树有多高》时我进行了尝试,采用“动手中感知,思感知中变化、变化中发现”的主流形式,让学生在一波又一波的思维激发中兴趣不减,直取本质知识, “Practice, explore ” is the learning method advocated by the new curriculum reform, which is particularly important in the teaching of mathematics practice. Teaching Sujiao version (national standard) “how tall the tree” I made an attempt to adopt “hands-on perception, change in thinking, change found ” in the mainstream form, so that students in a wave after wave Stimulate the interest in thinking diminished, take the essence of knowledge,