2012-2013学年小学六年级数学分数乘法应用题练习题

<div style="layout-grid:; "><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; "><font class="Apple-style-span" color="#FF0000">分数乘法应用题(一) </font>&nbsp; &nbsp;&nbsp;</span><br></div><br><span style=" font-weight:bold; ">一、细心填写:</span><span style=" font-weight:bold; "></span><br><br><span>1、“已经修了全长的</span><span>3/4</span><span>”</span><span>,把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>3/4</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>2、“一袋大米,吃去</span><span>2/5</span><span>”,把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>2/5</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>3、甲数</span><span>1/3</span><span>的与乙数相等,把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>1/3</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>4、“比计划增产</span><span>3/8</span><span>”,把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>3/8</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span style=" font-weight:bold; ">二、解决问题:</span></div><div style="layout-grid:; "><span style=" font-weight:bold; "><br></span></div><div style="layout-grid:; "><span style=" font-weight:bold; ">1、看图列式,并计算。</span><span style=" font-weight:bold; "></span><br><br><div style="text-align: left;"><img src="//www.szxuexiao.com/uploadimages/2012/1220/20121220134712.jpg?m=0.00816317880526185"><br></div><br><span>2、养鸡场共养鸡3000只,其中的</span><span>3/5</span><span>是蛋鸡。蛋鸡有多少只?</span><br><br><span>3、一枝钢笔18元,一枝毛笔的价钱是钢笔的</span><span>1/3</span><span>。一枝毛笔的价钱是多少?</span><br><br><span>4、一块长方形草坪,长30米,宽是长的</span><span>5/6</span><span>。这块草坪的面积是多少?</span><br><br><span>5、一堆煤</span><span>4/5</span><span>吨,每天用去它</span><span>1/20</span><span>的,10天一共用去多少吨?</span><br><br></div><div style="layout-grid:; "><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(二)</span></div><br><span style=" font-weight:bold; ">一、细心填写:</span><span style=" font-weight:bold; "></span><br><br><span>12的</span><span>1/9</span><span>是(&nbsp;&nbsp;);</span><span>4/5</span><span>的</span><span>1/2</span><span>是(&nbsp;&nbsp;);</span><span>2/3</span><span>米的6倍是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;);15个</span><span>2/5</span><span>吨是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>“</span><span>一根绳子,截去</span><span>2/3</span><span>”,这里把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,求截去多少,就是求(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的</span><span>2/3</span><span>是多少?</span><br><br><span>“长的</span><span>4/5</span><span>等于宽”,这里把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,求宽多少,就是求(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)的</span><span>4/5</span><span>是多少?</span><br><br><span style=" font-weight:bold; ">二、解决问题:</span><span style=" font-weight:bold; "></span><br><br><span>1、小汽车的速度</span><span>5/6</span><span>与大客车相等,已知小汽车每小时行120千米,大客车每小时行多少千米?</span><br><br><span>2、学校购进3600本儿童读物,其中</span><span>1/18</span><span>是经典名著,</span><span>3/40</span><span>是科普读物。经典名著和科普读物各多少本?</span><br><br><span>3、某工厂一月份用电4800度,二月份比一月份节约用电</span><span>1/10</span><span>,二月份比一月份节约用电多少度?二月份实际用电多少度?</span><br><br><span>4、爸爸今年40岁,儿子的年龄比爸爸年龄的</span><span>1/4</span><span>多4岁,儿子今年多少岁?</span><br><br><span>5、有300个桃子,大猴子拿走</span><span>1/3</span><span>,小猴子拿走余下的</span><span>1/4</span><span>。小猴子拿走了多少个桃?</span><br><br><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(三)</span></div><br><span style=" font-weight:bold; ">一、细心填写:</span><span style=" font-weight:bold; "></span><br><br><span>&nbsp;&nbsp;&nbsp;&nbsp;小明储蓄了180元,小刚储蓄的钱是小明的</span><span>5/6</span><span>,小红储蓄的钱是小刚的</span><span>2&nbsp;/3</span><span>。小红储蓄了多少元?</span><br><br><span>&nbsp;&nbsp;&nbsp;&nbsp;想:先根据“小刚储蓄的钱是小明的</span><span>5/6</span><span>”,把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>5/6</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;);再根据“小红储蓄的钱是小刚的</span><span>2/3</span><span>”,&nbsp;把(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)看作单位“1”,(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)×</span><span>1/3</span><span>=(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)。</span><br><br><span>列式解答:</span><br><br><span style=" font-weight:bold; ">二、解决问题:</span><span style=" font-weight:bold; "></span><br><br><span>1看图列式计算。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2012/1220/20121220134855.jpg?m=0.5799816991202533"><br><br><span>2、在长跑训练中,小文跑了2000米,小丽跑的路程相当于小文的</span><span>3/4</span><span>,小华跑的路程等于小丽的</span><span>2/3</span><span>,小华跑了多少米?</span><br><br><span>3、汽车每小时行60千米,摩托车速度是汽车的</span><span>2/5</span><span>,这辆摩托车</span><span>5/2</span><span>小时行多少千米?</span><br><br><span>4、一根绳子长</span><span>7/12</span><span>米,第一次剪去它的</span><span>3/7</span><span>,第二次剪去的比第一次的2倍少</span><span>3/8</span><span>米。第二次剪去多少米?</span><br><br></div><div style="layout-grid:; "><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(四)</span></div><br><span style=" font-weight:bold; ">一、准确计算:</span><span style=" font-weight:bold; "></span><br><br><span>20×</span><span>5/6</span><span>×</span><span>3/4</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>2/5</span><span>×</span><span>5/6</span><span>×</span><span>3/8</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>2/7</span><span>×14×</span><span>5/8</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>9/10</span><span>×</span><span>2/3</span><span>×</span><span>5/6</span><br><br><span style=" font-weight:bold; ">二、解决问题</span><span>:</span><br><br><span>1、爷爷今年72岁,爸爸年龄是爷爷的</span><span>5/9</span><span>,我的年龄是爸爸的</span><span>3/10</span><span>。我今年多少岁?</span><br><br><span>2、人体中的血液约占体重的</span><span>1/13</span><span>,血液里的</span><span>2/3</span><span>是水。小冬的体重39千克,他的血液中约含有多少千克水?</span><br><br><span>3、今年共植树1050棵,其中的</span><span>1/3</span><span>是白杨树,</span><span>2/5</span><span>是槐树。哪种树植得多?多多少棵?</span><br><br><span>4、六年级一共有学生495人,其中</span><span>3/5</span><span>是男生。六年级男、女生各有多少人?</span><br><br><span>5、一根电线长400米,已经用去了150米。再用去多少米就一共用去这根电线的</span><span>5/8</span><span>?</span><br><br><span style=" font-weight:bold; "></span><span style=" font-weight:bold; "></span><span style=" font-weight:bold; "></span><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(五)</span></div><br><span style=" font-weight:bold; ">解决问题:</span><span style=" font-weight:bold; "></span><br><br><span>1、一本童话书共480页,第一天看了全书的</span><span>1/8</span><span>,第二天看的页数相当于第一天的</span><span>4/5</span><span>。第二天看了多少页?</span><br><br><span>2、建一座厂房,计划投资200万元,实际比计划节约了</span><span>3/50</span><span>。实际比计划节约投资多少万元?实际投资多少万元?</span><br><br><span>3、一根绳子长24米,第一次剪去</span><span>5/8</span><span>,第二次剪去的是第一次的</span><span>2/5</span><span>。还剩下多少米?</span><br><br><span>4、一只球从高处自由落下,每次接触地面后弹起的高度是前一次落下高度的</span><span>2/5</span><span>。如果从100米的高度落下,那么第三次弹起多少米?</span><br><br><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(六)</span></div><br><span style=" font-weight:bold; ">解决问题:</span><span style=" font-weight:bold; "></span><br><br><span>1、鹅的孵化期是30天,鹅的孵化期的</span><span>4/5</span><span>等于鸭的孵化期;鸡的孵化期是鸭的</span><span>3/4</span><span>。鸡的孵化期是多少天?</span><br><br><span>2、跳远比赛,小明跳了3米,小明跳的</span><span>5/6</span><span>等于小军跳的,小丽跳的是小明的</span><span>4/5</span><span>。小军和小丽各跳了多少米?</span><br><br><span>3、东乡修了两条水渠,第一条长1200米,第二条比第一条的</span><span>5/6</span><span>少50米。两条水渠一共长多少米?</span><br><br><span>4、打吊针,瓶里有药水500毫升,已经输了100毫升,再输多少毫升正好输完这瓶药水的</span><span>1/2</span><span>?</span><br><br><span>5、修一条3千米长的公路,第一次修了这条公路的</span><span>5/6</span><span>,第二次修了</span><span>5/6</span><span>千米,两次共修多少千米?</span><br><br><span>6、一本故事书有96页,小兰看了43页。小丽说:“剩下的页数比全书的</span><span>3/4</span><span>少15页。”小莉说:“剩下的页数比全书的</span><span>1/2</span><span>多5页”。小丽和小莉谁说得对?</span><br><br><br><div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold; ">分数乘法应用题(七)</span></div><br><span style=" font-weight:bold; text-decoration:underline ; ">两步连乘应用题</span><span style=" font-weight:bold; text-decoration:underline ; "></span><br><br><span>1.计算</span><span>120的2/3的4/5是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>2</span><span>.甲数是720,乙数是甲数的1/6,丙数是乙数的4/3,丙数是(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><br><br><span>3</span><span>.小红有36张邮票,小新的邮票是小红的5/6,小明的邮票是小新的4/3。如</span><span>何</span><span>求小新的邮票有多少张</span><span>?</span><br><br><span>4</span><span>.教师公寓有三居室180套,二居室的套数是三居室的2/3,一居室的套数是二居室的1/4。教师公寓有一居室多少套?</span><br><br><span>5、六年级同学给灾区的小朋友捐款。六一班捐了500元,六二班捐的是六一班的4/5,六三班捐的是六二班的&nbsp;9/8。六三班捐款多少元?</span><br><br><span style=" font-weight:bold; text-decoration:underline ; ">比单位“1”多或者少的应用题</span><span style=" font-weight:bold; text-decoration:underline ; "></span><br><br><span>1、希望小学三年级有学生216人,四年级的人数比三年级多&nbsp;</span><span><ruby style="ruby-align:center; "><span>9</span><rp>(</rp><rt style="font-family:; ">2</rt><rp>)</rp></ruby></span><span>,四年级有学生多少人?</span><br><br><span>2</span><span>.买30千克大米,吃了4/5千克还剩(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)千克;</span><br><br><span>3</span><span>.李庄共有小麦地320公亩,水稻地比小麦地多1/4,这个庄的水稻地比小麦地多多少公亩?有水稻地多少公亩?</span><br><br><span>4</span><span>.修一条公路,长1000米,甲队已经修了这条路的2/5,剩下的由乙队修,乙队修多少米?</span><br><br><span>5、某鞋店进来皮鞋600双。第一周卖出总数的&nbsp;</span><span><ruby style="ruby-align:center; "><span>5</span><rp>(</rp><rt style="font-family:; ">1</rt><rp>)</rp></ruby></span><span>,第二周卖出总数的&nbsp;</span><span><ruby style="ruby-align:center; "><span>8</span><rp>(</rp><rt style="font-family:; ">3</rt><rp>)</rp></ruby></span><span>。⑴两周一共卖出总数的几分之几?⑵两周一共卖出多少双?⑶还剩多少双?</span><br><br><span style=" font-weight:bold; text-decoration:underline ; ">综合比较练习</span><span style=" font-weight:bold; text-decoration:underline ; "></span><br><br><span>1</span><span>、某地平均年日照1200小时,甲地年日照时间是它的3/2。甲地年日照时间大约多少小时?</span><br><br><span>2</span><span>、某地平均年日照1200小时,甲地年日照时间比它长1/2。甲地年日照时间大约多少小时?</span><br><br><span>3</span><span>、某地平均年日照1200小时,乙地年日照时间是它的3/4。乙地年日照时间大约多少小时?</span><br><br><span>4、</span><span>某地平均年日照1200小时,乙地年日照时间比它短1/4。乙地年日照时间比它短多少小时?乙地年日照时间大约多少小时?</span><br><br><span>5</span><span>、甲地到乙地150千米,一辆汽车从甲地出发,走了全程的4/5,走了多少千米?</span><br><br><span>6</span><span>、甲地到乙地&nbsp;150千米,一辆汽车从甲地出发,走了全程的4/5,它离乙地还有多少千米?</span><span>&nbsp;</span><br><br><span>7</span><span>、甲地到乙地150千米,一辆汽车从甲地出发,走了4/5千米,它离乙地还有多少千米?</span><br><br><span>8、</span><span>校园里有杨树60棵,柳树是杨树的9/10,槐树是柳树的2/3,槐树有多少棵?</span><br><br><span>9</span><span>、校园里有杨树60棵,柳树是杨树的9/10,槐树是杨树的2/3,槐树有多少棵?</span><span>&nbsp;</span><br><br><span>10</span><span>、一只鸡4千克,一只鸭比它重1/2千克,鸭重多少千克?</span><br><br><span>11</span><span>、一只鸡4千克,一只鹅比它重1/2,鹅重多少千克?</span><br><br><span>12</span><span>、一桶油6千克,每天吃1/10千克,6天吃了多少千克?</span><br><br><span>13、</span><span>一桶油6千克,每天吃</span><span>掉这桶油的</span><span>1/10,6天吃了多少千克?</span><br><br></div>