论文部分内容阅读
教学内容:两步计算的连乘应用题(教材第6—8页例1及练习二)第1课时,新授课。 铺垫引入设计 出示复习题,要求学生按题意画出线段图,再解答。 1.编筐小组每人每天编16个筐。照这样计算,5个人1天编多少个筐? 2.编筐小组每人每天编16个筐。照这样计算,1个人4天编多少个筐? 通过汁算机擦除、添加,将上面两题合并成例1: 编筐小组每人每天编16个筐。照这样计算,5
Teaching content: two-step calculation of Lianliankan problems (textbooks on page 6-8 Case 1 and Exercise 2) the first class, the new class. Paving the introduction of design introduced to show review questions, ask students to draw the line diagram of the problem, and then answer. 1. Baskets group each day to compile 16 baskets. According to this calculation, 5 individuals a day how many baskets? 2 baskets group each day, compiled a total of 16 baskets. According to this calculation, a person 4 days how many baskets? By computer erase, add, the above two questions merged into Example 1: Baskets group each day, compiled 16 baskets. According to this calculation, 5