数学北师大版二年级下册北师版二年级数学下册《调查与记录》 第二节 最喜欢的水果.pptx

北师大版二年级下册数学,八调查与记录,最喜欢的水果,临泉县田桥街道李楼小学,赵葳蕤,二0一六年九月十八日,明天我们班开联欢会，要买苹果、橘子、香蕉、梨四种水果。,怎么知道谁喜欢哪种水果呢？,我们可以看看喜欢哪种水果的人多，就买哪种的水果。,哪种水果喜欢的人多些，就多买些，喜欢的人少就少买些。,我们调查一下吧。,我们应该怎样进行调查呢？,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,l,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,0,0,0,喜欢吃的有（）人,喜欢吃的有（）人,喜欢吃的有（）人,喜欢吃的有（）人,思考：我们怎样知道每个人都投票了呢？,根据调查结果，你们对购买什么样的水果有什么建议呢？,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,0,0,0,现在我们来调查一下本班学生最喜欢的课外活动。,A踢毽子B跳绳C丢手绢D捉迷藏,A,B,C,D,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,0,1.班里周末组织同学们去玩。,（1）说一说，应该如何确定游玩地点呢？,（2）下面是淘气和笑笑的记录，你喜欢哪个？,（3）把你调查的记录和结果填在下面的表格中。,（4）根据你的调查，想去（）的人数最多，想去（）的人数最少。请提出你的游玩建议？,10,9,12,8,游乐场,公园,11,11,6,11,11,6,小结：