资源描述
,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,子页,子页,子页,子页,子页题目,内容:,内容:,子页题目,子页,子页,子页,子页,主页,子页,子页题目,子页,子页,子页,主页,子页,T,H,A,N,K,Y,O,U,*,北师大版 五年级下册 第二单元,问题,探究,练习,拓展,绿色圃中小学教育网,绿色圃中小学教育网,复习第一单元,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.,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.,试一试。,把下列分数化成小数。,0.67,1,5,1,8,2,3,4,25,=0.125,=0.16,=0.2,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,分数化小数,要用,分,子,除以分,母,。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,试一试。,2,7,5,7,1,5,9,1,9,1,3,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,试一试。,把下列小数化成分数。,0.3=,0.27=,0.75=,0.125=,3,10,27,100,75,100,125,1000,3,4,3,4,=,1,8,1,8,=,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,小数化分数,原来有几位小数,就在,1的后面写几个0作分母,,把原来的小数点去掉作分子;,化成分数后,能约分的要约分。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,谢谢!,三人行,必有我师焉。,学无止境,研无止境。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,通过这节课的复习你有什么收获?,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,
展开阅读全文