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1、总复习 三位数除以两位数教师：马先稳德州市黎明小学Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.（1）三位除以两位数的口算、笔 算、估算 （2）三位数除以两位数的商的变 化规律 （3）因
2、数和倍数第五单元复习内容三位数除以两位数Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.三位数除以两位数的口算64080=72080=90030=81090=Evaluation only
3、.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.三位数除以两位数的笔算1、 750902、 897493、 969324、 54554Evaluation only.Evaluation only. Created w
4、ith Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.三位数除以两位数的估算371308061937218548556091559434Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.
5、5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.（1）三位除以两位数的口算、笔 算、估算 （2）三位数除以两位数的商的变 化规律 （3）因数和倍数第五单元复习内容三位数除以两位数Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Cli
6、ent Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.商不变的规律商不变的规律：被除数和除数同时乘 或除以相同的数（0除外），商不变。12030802060154010练一练 请根据 24060=4，直接写出商。Evaluation only.Evaluation only. Created with Aspose.Slides for .NE
7、T 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.规律1：被除数不变，除数乘几（0除外 ），商就除以几。商的其它规律你能根据 36018=20，直接写出商。36036360180练一练Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3
8、.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.规律2：被除数不变，除数除以几（0 除外） ，商就乘几。商的其它规律你能根据 36018=20，直接写出商。练一练36093606Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Cl
9、ient Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.规律3：除数不变，被除数除以几（0 除外） ，商就除以几。商的其它规律你能根据 8020=4，直接写出商。练一练40202020Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client P
10、rofile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.规律4：除数不变，被除数乘几（0除 外） ，商就乘几。商的其它规律你能根据 8020=4，直接写出商。练一练1602024020Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile
11、 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.判一判160402=160（402）（ ）200205=160100 （ ）Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Sli
12、des for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.商的位数的判定1、三位数除以两位数的商可能是（ ）位数和（ ）位数。2、判定下面的商是几位数。570307505048060 64074Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slide
13、s for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.（1）三位除以两位数的口算、笔 算、估算 （2）三位数除以两位数的商的变 化规律 （3）因数和倍数第五单元复习内容三位数除以两位数Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for
14、 .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.因数和倍数练一练112=1262=1234=12在乘法算式ab=c（a、b、c均不为0的自然数 ），a和b都是c的因数，c是a和b的倍数。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for
15、.NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.因数和倍数在除法算式ca=b（a、b、c均不为0的自然数 ），a和b都是c的因数，c是a和b的倍数。练一练121=12126=2123=4Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .
16、NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.1、8是4的倍数吗？2、4是16的因数吗？3、在乘法算式ab=c中，如果a和b都是c的因 数，那么a和b应该是（ ）。A：任意数 B：自然数 C：非0自然数因数和倍数Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty
