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笔者在多年实践基础上,尝试构建了小学数学“互动合作式的目标教学与评价”课堂教学模式:创设情境,以学定标——自主思考,合作探究——互动交流,梳理点拨——目标测评,小结拓展。该模式能够促进学生在“自主”中探索,在“合作”中互助,在“交流”中发展。1.创设情境,以学定标。本环节强调教师课前充分准备,读懂教材,精准定位教学目标。如:探究圆锥体积公式时,联系实际,让学生分组做倒沙子实验:用大中小三种不同的圆锥容器盛满沙子倒入同一个圆柱体容器内,出现了不同
On the basis of many years of practice, the author tries to construct a classroom teaching model of primary mathematics: “interactive collaborative target teaching and evaluation”: creating situations, learning to standardize - thinking independently, exploring cooperatively - interacting and sorting out - - target evaluation, summary development. This model can promote students’ exploration in “autonomy ”, mutual assistance in “cooperation ” and development in “communication ”. 1. Create a situation to learn standard. This session emphasizes teachers fully prepared before class, read the textbooks, precise positioning of teaching objectives. Such as: Exploring cone volume formula, the actual contact, so that students do the sand grouping experiment: with three different sizes of cone container filled with sand into the same cylinder container, there is a difference