七年级趣味数学题电子教案.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,*,走进数学世界,感受完美生活,天润学校:初一组,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第一模块,必答题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,星期日、星期一、星期二、星期三、星期四、星期五、星期六。,你知道星期五前一天的后两天的前三天的后一天的前两天是星期几吗?,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,有个人买了头牛用了100元，卖出为200元，再买进为300元，再卖出为400元，问：共赚了多少？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,ABC三个人中有一人做了一件好事。老师问他们，是谁做得好事，A说:是B做的。B说:不是我做的。C说:不是我做的。三个人中两个人说假话，一人说真话，你认为是谁做的好事.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,六一儿童节，妈妈给小华、小明、小刚买了3种不同的礼品，分别是：魔方、智力拼图、洋娃娃。现在知道小刚拿的不是智力拼图，小明拿的不是洋娃娃，也不是智力拼图，想一想，他们每人拿的是什么礼物,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,右图是一张甲、乙两车的行程图，仔细阅读后回答下列问题。,问：甲、乙两车的时速之差是（）千米/小时。,一号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,请画出立体图形 从正,面、上面、右面看到的平面图形。,一号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,将0.5米：5分米化成最简单的整,数比为（）,：（）,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,判断题：,梯形不是轴对称图形,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,判断题：,圆锥的体积是圆柱体积的三分之一。,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,判断：,a是自然数，2003 大于2003,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,判断,一个圆锥的底面半径扩大2倍，体积扩大4倍。,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,圆柱体的侧面展开图在满足,()条件时是正方形。,二号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,下面那几个图形和其他的不一样？,A,B,C,D,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,找出下组图形中不同的项,A,B,C,D,E,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,根据等号两边的图形的变换关系，推断出“？”处应选择几号图形？,=？,A,C,B,D,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,下图是按照一定规律排列起来的，请按这一规律在“？”处画出适当的图形。,？,A,B,C,D,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,根据下图的变化规律，在空白处填上适当的图形。,？,A,C,B,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,下面图形是按一定规律排列的，猜想他们的 规律，并在空白处填上你认为理想的图形。,三号题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第二模块,抢答题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,1.按照规律填空:,1,1,2,3,5,8,13,21,(),Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,2.直线上有A、B、C、D、E、F、,G七个点，则以这些点为端点的线,段有,(),条。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,3.一个裁缝，有一块16米长的呢料，她每天从上面剪下来2米，问多少天后，她剪下最后一段呢料,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,4.井深8米，一只青蛙从井底往上跳，每次跳3米，又滑下2米，那么它要跳几次才能到达井口？,（说明理由）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,5.王老太上集市上去卖鸡蛋，第一个人买走篮子鸡蛋的一半又一个，第二个人买走剩下一半又一个，这时篮子里还剩一个鸡蛋，请问王老太共卖出-个鸡蛋。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,6.谜底为数学名词的谜语：,失去联络,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,7.假设1=5 2=6 3=8 4=7 5=?,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,8.一张方形的桌子，截去一个角还,剩几个角？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,9.用火柴棍拼的1-701=2，动一根,火柴棍使等式成立。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,10.有5个同学在一起，小亮的年龄,不是最小的，那么小亮年龄是最,大的可能性是百分之几？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,11.考试作弊。打一数学名词,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,12.27个人到商场买水喝，遇到商,场搞促销，三个空瓶子可以换一瓶,水，问:27个人最少只买（）,瓶水，每个人都有一瓶水喝。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,13.,观察下面图形，打一成语。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,14.,判断：一种商品先提价20后,又降价 20，这时的价格是最初,价格的 99,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,15.10001000=100100100（打一成语）,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,16.观察图形,选出？处应,是哪个图形,？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,17.五角钱。,打一数学用语。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,18.将四个数：3、3、6、10用+，及（）组成24。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,第三模块,风险题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,十分,二十分,三十分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,二号题,三号题,四号题,五号题,六号题,十分题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,用简便方法计算：,1999+999999,10分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一个圆的周长是12.56平方厘米，,这个圆的面积是多少？,10分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,学校去年春季植树500棵，成活率为85，去年秋季植树的成活率为90，已知去年春季比秋季多死了20棵树，那么去年学校共种活了多少棵树？,10分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,10分,一位老爷爷说:把我的年龄加上12，,再用4除，然后减去15，再乘以10，,恰好是100岁。这位老爷爷现在多少岁？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,10分,有一种橙汁是由果珍和水按1:25,的质量比配制而成的。一瓶520毫,升橙汁中，含水多少毫升？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,10分,一个圆柱形水桶的容积式28立方分米，,内底面面积是7平方分米，装了,桶水，水面高多少？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,二号题,三号题,四号题,五号题,六号题,二十分题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,猴王召集猴子们开会，点名时，发,现缺席只数是出席只数的 ，他很,生气，刚要发火，又跑来了2只猴,子，这时缺席只数是出席只数,的 ，这群猴子共有多少只？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,双休日，甲商场以“打九折”的措施,优惠，乙商场以“满100元送10元购物券”的形式促销。张阿姨打算花掉500元。张阿姨在哪家商场购物更合算些？请简要说明你的想法。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,一天小黄碰到了疯子，傻子，骗子各一个，傻子只说真话，骗子只说假话，疯子有时说真话有时说假话。第一个人说：我和第二个人是兄弟；第二个人说：我是骗子；第三个人说：傻子和疯子是兄弟。那么这三个人依次是(),Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,把一段40厘米长的圆柱木头，沿着,底面直径劈开，测得侧面面积增加,了4000平方厘米，求原来这段木头,的侧面积。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,甲乙丙丁四位同学在篮球比赛中犯规,的次数各不相同，A、B、C、D四位,裁判有一段对话；,A说：“甲犯规4次，乙犯规3次”；,B说：“丙犯规4次，乙犯规2次”；,C说：“丁犯规2次，丙犯规3次”；,D说：“丁犯规1次，乙犯规3次”,记录员说：四位裁判每人只说对了一半。,甲犯规（）次。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,20分,某人分期付款买房，买时付款2.5万元，,以后每月付款1500元；或前一半时间,每月付款3000元，后一半时间每月付,款1000元。两种付款总数和付款时间,都相同。,问：房价是（）元,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,一号题,二号题,三号题,四号题,五号题,六号题,三十分题,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,30分,王、张两位叔叔原有钱数之比是7：5，如果王叔叔给张叔叔650元，那么他们的钱数之比就变为3：4。问原来王叔叔有多少钱？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,甲乙丙丁四个人中只有一人具备以下三高：高个子、高收入、高学历。这四个人中只有三个人是高个子，只有两个人是高收入，只有一个人是高学历；每个人至少具备一高：甲和乙的收入一样高，乙和丙的个子一样高；丙和丁的个子不是同一种类型（既如果丙是高个子，丁就是矮个子，反之亦然）。谁同时具备“三高”(),30分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,30分,食堂猛增一群人，炊具只能合伙用。每人可用一饭碗，菜碗只能两人用。三人合用一汤碗，55只碗正够分，请你算一算，共来-新客人。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,30分,从1999这个数里减去253以后，再,加上244，然后再减去253，再加上,244，这样一直算下去，减到,多少次，得数恰好等于零？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,30分,有只猴子在树林采了100根香蕉堆成一堆，猴子家离香蕉堆50米，猴子打算把香蕉背回家，每次最多能背50根，可是猴子嘴馋，每走一米要吃一根香蕉，问猴子最多能背回家几根香蕉？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,有鸡与兔若干，总头数与总脚数之比为2：5，那么鸡和兔的头数之比为（）,A 2：5 B 1：3 C 3：1 D 1：1,30分,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,恭喜你们取得优异成绩,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,