论文部分内容阅读
教材内容:新北师大版小学数学第四册P36—37页内容教材分析:《1千米有多长》是长度单位教学的拓展与深化,学生在学习《1千米有多长》之前,已经对简单的长度单位,如厘米、分米、米有了初步认知,《1千米有多长》主要借助“走一走”、“估一估”、“想一想”等活动使学生对1千米的实际长度有一个透彻的了解,帮助学生建立完整的长度单位体系。教学目标1.知识目标:知道1千米等于1000米、1千米等于1公里等
Textbook content: New Beijing Normal University edition of primary school mathematics fourth volume P36-37 page Content analysis: “1 km how long” is the extension and deepening of the length of unit teaching, students learn how long before 1 km, Has been a simple length of units, such as centimeters, decimeters, meters have a preliminary understanding of the “1 km how long” mainly with “walk a walk ”, “estimate ”, “ Think ”and other activities to enable students to have a thorough understanding of the actual length of 1 km to help students establish a complete length unit system. Teaching Objectives 1. Knowledge Goal: Know that one kilometer equals 1,000 meters and one kilometer equals one kilometer