三年级下册第八单元《解决问题》连除课件备课讲稿.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三 年 级 数 学(下),庞小三（3）班：张敏娟,解决问题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三 年 级 数 学(下),解决问题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,例2,这场团体操有60人表演。,每个小圈有多少人？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,1,、4人一组先相互交流探讨，再解答；,2,、组内推选一人作为代表汇报方案。,合作要求：,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,方法1：,先算一个大圈有多少人,方法2：,先算一共有几个大圈,602=30（人）,305=6（人）,综合算式：6023=6（人）,25=10（个）,6010=6（人）,综合算式：,60（25）=6（人）,答：每个圈有6人。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,智慧树,勤,学,好,问,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,每只猩猩每天吃,多少千克水果,?,6,只猩猩,一周吃,了,168,千克水果。,我会做：,（独立解答）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,每只猩猩每天吃,多少千克水果,?,6,只猩猩,一周吃,了,168,千克水果。,168 6 7=4(,千克,),我会做：,（独立解答）,返回,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,每只猩猩每天吃,多少千克水果,?,6,只猩猩,一周吃,了,168,千克水果。,168 7 6=4(,千克,),我会做：,（独立解答）,返回,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,每只猩猩每天吃,多少千克水果,?,6,只猩猩,一周吃,了,168,千克水果。,168,6,7,=4(,千克,),168,7,6,=4(,千克,),我会做：,（独立解答）,返回,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,学校有,3,层教学楼，每层有,8,个教室，,一共安装了,168,台电风扇。,一共有多少个教室？,1683,平均每层安装风扇多少台？,16838,平均每个教室安装风扇多少台？,38,168,(,38,),我会连：,返回,（口答）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会选：,有960个杯子，如果6个装一盒，,8盒装一箱，这些杯子能装几箱？,正确算式是：（）,A.960（68）,B.960（68）,C.96068,D.96068,A、C,返回,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会讲：,平均每辆车每次运多少千克,?,共,9600,千克,我们,4,次能运完。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会讲：,先求：平均每辆车4次运多少千克？,9600,2=4800（千克）,48004=1200（千克,综合,：9600,2,4=1200（千克）,返 回,平均每辆车每次运多少千克,?,共9600千克,我们,4,次能运完。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会讲：,先求：,2,辆车一次运多少千克？,9600,4=2400（千克）,2400,2=1200（千克）,综合：,9600,4,2=1200（千克）,返 回,平均每辆车每次运多少千克,?,共9600千克,我们,4,次能运完。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会讲：,平均每辆车每次运多少千克,?,共,9600,千克,先求：,2辆车一共运几次？,2,4=8（次）,96008,=1200,（千克）,综合,：9600（,2,4）=1200（千克）,返 回,我们,4,次能运完。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会讲：,先求：平均,每,辆车4次运多少千克？,96004=2400,（千克）,24002=1200,（千克）,综合：,96004,2=1200,（千克）,先求：,2辆车一次运多少千克？,9600,2=4800（千克）,48004=1200（千克,综合,：9600,2,4=1200（千克）,先求：2辆车一共运几次？,2,4=8（次）,96008=1200（千克）,综合,：9600（,2,4）=1200（千克）,返 回,平均每辆车每次运多少千克,?,共9600千克,我们,4,次能运完。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,我会思：,如果庞岐小学今年一年级,招生,120,人。,请根据这个情境，帮一年级,老师来分分班，设计比较合理的方案。,返 回,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,联系生活中的一些事情，根据算式：,3643,或,24062,编出用除法,两步计算解决的题目,并解答,。,返回,作 业,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,