教学内容苏教版《数学》二年级(上册)第98￣99页。教学目标1.通过“摸球、装球”等活动,初步体验有些事件的发生是确定的,有些事件的发生是不确定的,并能用“一定”“可能”“不可能”等词语来描述事件发生的可能性,体会初步的概率思想。2.培养初步的判断和推理能力。3.培养学 Teaching content Sujiao Edition “Mathematics” second grade (the first volume) the first 98 ~ 99 pages. Teaching Objectives 1. Through the “touch the ball, ball loading” and other activities, the initial experience of the occurrence of some events is to determine the occurrence of some events is uncertain, and can be “certain”, “may”, “impossible” and other words to Describe the possibility of the incident, experience the initial probability of thinking. 2. Develop initial judgment and reasoning skills. 3. Cultivation