![](/uploads/image/0337.jpg)
广东省广州市白云区广园小学四年级上册数学试题解决问题解答应用题训练带答案解析 一、四年级数学上册应用题解答题
1.超市要给25名员工订购服装,每套208元,准备5000元钱够吗?
2.小马虎在计算有余数的除法时,把被除数374看成了734,结果商比原来大24,但余数恰巧相同。请你求出除数和余数分别是多少。
3.提出问题并解答。
一盒钢笔有12支,买一盒这样的钢笔需要360元,张老师准备买15盒这样的钢笔,他一共带了6000元。以下四组选取了已知条件中的全部信息或部分信息。 第一组:12支,360元,15盒,6000元
第二组:360元,15盒,6000元
第三组:12支,360元,15盒
第四组:12支,15盒
(1)如果要解决“张老师买回15盒钢笔后还剩多少元?”这个问题,应该选择( )组信息。这时信息够用且没有多余。请将解答过程写下来。
(2)如果选择第四组信息,可以解决一个什么问题?写出问题并写出解答过程。
4.兄弟两人早晨7时同时从家里出发去上学,兄每分钟走100米,弟每分钟走60米,兄到了学校后休息了5分钟才发现英语书没带,立即回家,途中7时25分与弟相遇,学校离家有多远?
5.新学期红星小学准备买50个篮球,其中有三家文体超市篮球的价格都是50元,但三家超市的优惠办法各不相同。 A店:买10个篮球免费赠送1个,不足10个不赠送。
B店:每个篮球优惠5元。
C店:购物每满200元,返还现金20元。
为了节省费用,红星小学应到哪家超市购买篮球?请计算说明。
6.三亚租房一个月多少钱快餐店重新装修,张经理带8000元钱去市场采购.已知每张桌子128元,每个凳子24元,每台电磁炉195元。
(1)张经理要买11张桌子和108个凳子,共需花多少钱?
(2)张经理用剩下的钱还想买19台电磁炉,钱够吗?
7.甲、乙两地高速铁路总里程为1318千米.一列高速列车以320千米/时的速度从甲地出发,行驶3小时后,列车距乙地还有多远?
8.蓝天小学四年级师生共有204人,准备包车去研学。租车的价格是25元/人。请问,带队老师带5000元钱够吗?
9.爷爷家一块长方形菜地的面积360平方米,宽9米,爷爷要把这块菜地的宽增加到36米,长不变。扩大后菜地的面积是多少平方米?
10.丽丽家的厨房铺地砖,有两种方案。方案一:铺边长是3分米的正方形地砖,需要100
块。方案二:铺长3分米、宽2分米的长方形地砖。
(1)丽丽家厨房的面积是多少平方分米?合多少平方米?
(2)若采用第二种方案,则需要多少块长方形地砖?
(3)哪种方案比较便宜?
11.奶牛场有24头奶牛,每头奶牛每天吃草10千克。照这样计算,这些奶牛5月份吃草多少千克?
12.一辆洒水车,每分钟行驶250米,洒水的宽度是8米。洒水车行驶13分钟,能给多大的地面洒上水?
13.斯德哥尔摩天气一辆压路机,每分钟行驶100米,压路机的前轮宽度是20分米。这辆压路机压路40分钟,可以压平路面多少平方米?
14.小明的上山速度是每分钟80米,下山的速度是每分钟120米,如果他从山顶返回到山下用了1个小时 ,那么他从山下到达山顶用了几分钟? 15.学校跑道每圈长200米。同学们每天绕跑道跑3圈,一个月(按22天计算)跑多少米?
16.一只山雀5天大约能吃800只害虫,照这样计算,一只山雀一个月大约能吃多少只害虫?(一个月按30天计算.)
17.小点、小蕊和小红坐三辆不同的车上午7点从宿迁出发去苏州。到上午10点时,小点坐的车行了240千米,小蕊坐的车行了225千米,小红坐的车行了255千米。
(1)小蕊坐的车平均每小时比小红坐的车慢多少千米?
(2)照这样的速度,小点坐的车大约还要4个小时就可以到苏州了。宿迁到苏州的路程大约有多远?
(3)自己再提一个问题,并解答。
18.爸爸带小亮去爬山。从山脚到山顶的路程有2500米,平均每分钟走75米,已经走了30分钟。现在离山顶还有多少米?
19.兴华小区新建了20栋楼房,每栋6层,每层12户。新建的楼房可以住多少户?青州在线招聘
20.![](data:image/jpg;base64,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)
(1)如果用面积8平方分米的地砖铺房间地面,一共需要多少块地砖?
泰山山顶住宿哪个酒店最好(2)如果每块地砖的价格是20元,需要支付多少元钱?
21.王华家到学校2400米,王华从家上学,每分钟走80米,她走了25分钟。这时她离学校还有多少米?
22.四年级师生去看儿童剧,去了108名学生和2位老师。学生票每人12元,成人票每人18元,他们买票共需要多少钱?
23.一个等腰梯形的周长是72厘米,腰长是15厘米,上底长是16厘米。它的下底长是多少厘米?
24.![](data:image/jpg;base64,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)
(1)量一量∠2=( )°,∠3=( )°;算一算∠1=( )°,∠1+∠3=( )°。
(2)过点A画DC的垂线。
成都极地海昌海洋公园
(3)请你在射线AB上到一个点E,并连接CE,使四边形ADCE成为平行四边形。
25.一个平行四边形的一条边长是14厘米,它的邻边比它短2厘米,这个平行四边形的周长是多少厘米?
26.一个等腰梯形,下底比上底长10厘米,上底和一条腰长的和是86厘米,这个梯形的周长是多少厘米?
27.一个等腰梯形的上底12厘米,下底16厘米,它的周长是50厘米,等腰梯形的腰是多少厘米?
28.如图,ABCD是一个平行四边形.
(1)量一量,∠1=________°,它是一个_____角.
(2)AD∥_____,AE⊥_____ .
(3)CD地边上的高是_____米,BC底边上的高是_____米.
(4)以F点为垂足画出平行四边形ABCD的一条高.
江西婺源天气预报15天查询29.有一块等腰梯形的菜地,它的下底是80米,上底55米,腰长28米,如果要在菜地的四周围上篱笆,篱笆的长是多少米?
30.1吨废纸可以生产再生纸850千克,相当于少砍17棵大树。回收15吨废纸,可以生产再生纸多少千克?
31.某学校14名老师和326名学生去春游。每辆大车可坐40人,租金800元;每辆小车可坐20人,租金500元。怎样租车最省钱?
32.超市里的笔记本搞促销活动,买10本送1本,一本笔记本卖12元,李老师带了273元,最多可以买多少本笔记本?
33.某超市新年促销。一种拖鞋的单价是16元/双,买3双送一双。王老师带了176元钱,最多能买到几双这样的拖鞋?