今年9月,在昌黎举行了“河北省小学数学优化课堂教学观摩评比”活动,共有26节课获奖。从本期起将陆续刊登获得一二等奖的部分获奖教案及教学设计思路。 In September this year, held in Changli “Hebei primary school mathematics optimization classroom teaching evaluation competition” activities, a total of 26 classes won the award. Starting from this issue will be published one after two winning some of the award-winning lesson plans and teaching design ideas.