读懂教材,理解编者的意图,才能灵活地使用教材,才能设计源于教材,又切合学生实际的教学活动.笔者在“有理数乘法法则”(苏科版教材)的教学中,对教材的情境进行加工改造,使之更贴近学生的实际,更贴近学生的兴趣点,对法则的探究过程进行重新设计,铺设适合学生认知的台阶,使法则生成更自然,受 Understand the intent of the editor, to understand the intent of the editor, can we use the teaching material flexibly, can design from the teaching material, but also meet the actual teaching activities of the student.I author in the teaching of “rational number multiplication law” (Suke Edition teaching material) The process of transformation to make it closer to the students ’reality, closer to the students’ points of interest, to re-design the law of the inquiry process, lay the appropriate step for students to make the law generate more natural, by