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课堂教学中及时引导学生交流讨论,是提高学生学习积极性、主动性和创新性的有效手段之一。学习“两、三位数乘一位数的笔算乘法”时,我创设了下列交流讨论的情境,取得了较好的教学效果。一、初设交流讨论情境,初步认识笔算乘法的算理在学习“两、三位数乘一位数的笔算乘法”时,我创设了这样的情境:“清明节,学校少先队租了3辆汽车组织部分同学去烈士纪念馆扫墓,每辆汽车坐了32人,一共去了多少人?”学生独立探究,有的说:“去了96人,
Classroom teaching in a timely manner to guide students to exchange and discuss, is to improve student learning enthusiasm, initiative and innovative one of the effective means. Learning ”two three-digit multiplied by one-digit multiplication “, I created the following exchange and discussion of the situation, and achieved good teaching results. First, the initial exchange of discussion of the situation, the initial understanding of the arithmetic of pen arithmetic When learning ”two or three digits by one digit pen arithmetic “, I created such a situation: ”Ching Ming Festival, the school young Pioneer rent 3 car organizations part of the students go to the Martyrs Memorial grave, each car sat 32 people, a total of how many people? “Students to explore independently, and some said: ” went to 96 people,