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五年级上册数学优化答案【篇一:2014年五年级上数学优化设计答案】倒数一定大于1. ( )2. 0没有倒数.( )3. 所有圆的直径都相等 ( ) 4. 大于1而小 于10的数,只有2、3、4、5、6、7、8、9这八个数. ( ) 5. 两个面积相等的梯形, 都可以拼成一个平行四边形( ) 二、 填空题(1-2每题 1分, 3-6每题 2 分, 第7小题 3分, 第8小题 4分, 共 17分)1. 6.05吨=( )千克 2. 把804000写成用 “万”作单位的数是( ). 3. 长方体有( )个面,( )条棱,( )个顶 点 4. 5. 当x是( )时,这个分数等于0. 当x( )时,这个分数是假分数6. 7. 8. 下图是把( )体的表面展开了,展开后得到一个( )形和两个( ) 形请你测量出这个形体底面的周长和高(测量的结果保留整厘米数)一个底面的周长约 是( )厘米,高约是( )厘米 三、 简算题( 4分 ) 四、 计算题(1-5每题 4分, 第6小题 5分, 共 25分)1. 用竖式计算并 分 共 10分 )1. 3.2的75与2.6的和是多少? (列综合算式计算) 2. x的25倍等于12与7 的差.(列出方程并求出方程的解)六、 应用题(1-2每题 5分, 3-4每题 6分, 第5小题 7分, 第6小题 10分, 共 39分)1. 一个圆锥体的零件,底面半径是3厘米,高是12厘米,它的 体积是多少立方厘米?2. 3. 某小学为抢救大熊猫共捐款240元,低、中、高年级捐款钱数 的比是345低、中、高年级各捐款多少元? 4. 一堆煤,原计划每天烧4吨,可以烧 72天由于改建炉灶,每天节约0.8吨,这堆煤可以烧多少天?(用比例方法解答)5. 6. 某 电视机厂去年电视机生产情况统计图单位:台 1984年1月看图列式 计算:(1)全年共生产电视机多少台?(2)平均每月生产电视机多少台?(3)第四季度比第一季 度增产百分之几?【篇二:五年级数学优化答案】1请你写出5个连续的12的倍数( 2所有自然数的公因数是( )。 ),12和18的公因数有( ) 312的因数有( ),18的因数有( ),12和18的最大公因数是()。 48与9的最大公因数是( ),最小公倍数是()。 24与51的最大公因数是()。 5两个连续偶数的和是30,它们的最大公因数是()。 6.(1)在括号里填一个数,使得这两个数的最大公因数是1。 3和() 8和()15和( ) (2)在括号里填一个数,使得这两个数的最小公倍数是所填的数。5和( ) ()和12 ()和24 二、选择。(8分)。 1、15和21的()是1。 a、倍数 b、公因数 c、最大公因数 d、最小公倍数 2、用长6厘米,宽4厘米的长方形可拼成边长是( )厘米的正方形。 a、9 b、12c、15 d、16 3、a=3b,a,b都是大于0自然数,则a,b的最小公倍数是( )。 a、a b、b c、3 d、1 4、有一个比20小的数,它既是3的倍数,又是4的倍数,这个数是( a、18 b、16c、12 d、15 四、判断题。(10分) 13和5没有公因数。 ( ) 2若甲是乙的倍数,则甲是甲和乙的最小公倍数。 ( ) 3两个数的最大公因数一定比这两个数都小。 ( ) 518的最大公因数和最小公倍数相等。 ( ) 五、 直接写出各组数的最大公因数。(12分) 3和5 4和8 18和45 )。13和26 1和13 34和91 六、直接写出各组数的最小公倍数。(12分) 6和12 9和15 七、解决问题。(42分) 1. 有两根绳子,一根长16米,另一根长20米。现在要把它们剪成同样长的小段,每段要尽可能长,且没有剩余。每段绳子长多少米? 2. 把一张长为30厘米,宽为25厘米的长方形纸裁成同样大小,面积尽可能大的正方形,且没有剩余,至少可以裁多少个? 3. 假期小红、小明、小亮都去图书馆借书,小红每4天去一次,小明每6天去一次,小亮每3天去一次,7月6日三人第一次在图书馆见面,几月几日他们会第二次相遇呢? 4. 学生参加跑步比赛,每组5人或每组7人都少2人,共有多少人? 5. 把48块糖和38块巧克力分别分给同一组同学,结果糖剩3块,巧克力少了2块,这个组最多有几名同学? 6. 一个长方形纸片28厘米。宽22厘米,如右图,在纸的四边留2厘米的空白,然后把中间的长方形平均分成若干个相同的正方形,问正方形的边长最大是多少厘米? 7.同学们分组玩游戏,4人一组、5人一组、3人一组都少2人,最少有几人? 7和8 12和108和12 14和35【篇三:2016五年级上册优化作业】化作业 班别: 姓名:学号: unit 1 whats your hobby? 一、请写出下列词组的中文并朗读三次:(家长签名:_) play computer games_ play music_ collect stamps_ keep pets_ make model ships_read books_ take photos_ make cakes_ plant trees_grow flowers_ study_ listening to music_ singing and dancing_play chess_ play the piano_ play basketball_ 二、重点精析: 1. love/like/enjoy doing sth喜欢做某事 如:i like listening to music. 我喜欢听音乐。 他喜欢集邮。he likes collecting stamps. 2. my hobby is doing sth 我的爱好是 如:my hobby is reading books. 我的爱好是看书。 我爸爸的爱好是拍照。my dads hobby is taking photos. 3. more than多于 , 超过from 来自于 如:i have collected more than 3 hundred stamps from 20 countries. 我已收集了来自二十个国家的300多张邮票。 jane有九十多本英语书。4. every 每一的,每个的 every day每天every night每晚 every year每年every friday每周五 5. during + 时间表示在某段时间里 during day 在白天 during the summer holiday 在暑假期间 6. some of + 名词 中的一些 1 如:some of the students are from america. 这些学生中的一些来自美国。 三、根据句意及首字母补全单词。 1. i have a model plane. it can fly high. 2. i like playing music everyday. 3. does he like collectingstamps? 4. i like swimming duringmy holiday. 5. xiaolings hobby ismaking model ships. she has more than 50 ships. 四、选择。 ( ) 1 do you collect _, simon ? a stamp b stamps c stampes d stampps ( ) 2 _ stamp is my hobby. a collect b collects c collecting d collected () 3 my hobby is _ a sing b singing c sings d singings () 4 do you have _stamps from china? a someb muchc littled any () 5 these are some stamps _ canada. a ofb fromc atd on () 6 is there a birthday card _ me? a ofb forc fromd on () 7 tinna _lots of stamps . a have b has c havingd haves () 8 does he like any stamps? _ yes, he does.b no, he doesnt like.c yes, he likes.d no, he dont. 五、选词填空。 about from duringthan 1. these letters are _ japan. 2. lots of students enjoy playing computer games _the winter holiday. 2 3. it is _one hundred meters long. 4. there are more _ 35 students in my class. not do collecting from have5. a: hello, do you collect stamps? b: yes, _stamps is my hobby. these are stamps _canada. a: do you _any stamps from china? b: no, i _ _. 六、阅读短文,正确的写“t”,错的写“f” my dad works from monday to friday in a bank. dad is also busy at home. at weekends he cooks dinner. sometimes he cooks chicken and makes chinese food. my mum watches and helps him. many people think it is strange for a man to cook. cooking relaxes him. he is a weekend cook. ( t )1. my fathers job is using computer to count money in a bank. ( f )2. my father usually cooks chinese food. ( t )3. i help my father cook dinner and my mother washes the dishes. ( f )4. my father doesnt like cooking. ( f )5. on sunday he makes four pieces of pizza. unit 2 his hobby is drawing 一、请写出下列词组的中文并朗读三次:(家长签名:_) writestories_ do some reading_ keep ducks and chickens_draw cartoons_ 二、重点句型: 1. whats mikes hobby? _ 2. when does mike usually draw? _3. what does mike give his friends for their birthday? _ 4. what present does amy give to tom? _ 5. what does she want to do when she grows up? _ 五、用所给词的正确形式填空。 1. i like _ (take) photos. 2. this birthday card is from _ (i) mother. 3. amy want _ (go) fishing on saturday. 三、重点精析: 1. grow up 成长,长大want to do 想要做 如:when lucy grows up she wants to be an english teacher. 当露丝长大后,她想成为一名英语教师。 当我长大后我想成为一个画家。 _ 2. very much非常,很,十分 如:mr. wu can play the piano very much.吴先生很会弹钢琴。 janent很喜欢收集邮票。_ 3. begin to do sth 开始做某事 他开始学英语。_ 4. be in trouble有麻烦,处于不幸,陷入困境 如:when you are in trouble, they will help you. 当你是处在困难中的时候,他们会帮助你。 四、单项选择 () 1 this stamp is _ china. a to b fromc in ( ) 2 do you _ stamps ?a collect b collectingc make ( ) 3 janet _ _lots of stamps _ 20 countries. a have, inb have, fromc has, from ( ) _ at the pool is my hobby. a swim b swimmingc swims ( ) 5 do you like _ to music? a listen b listening c listens ( ) 6 do you have _ stamps from china? a some b many c any ( ) 7 collecting stamps is my _ . a hobbyb likec love ( ) 8 playing football _ my hobby. a is b am c are ( ) 9 there are some cards _ canada. a in b of c from ( ) 10 do you want _ to china.a. to gob. goc. going 4. mike _ (not like) taking photos. 5. when dave _ (grow) up, he _(want) to be a cook. 6. _ (draw) isnt my hobby. my hobby is _ (collect) stamps. i have more than 200 _(stamp) from 30 _ (country). 7. mike takes his _ (colour) pencils and _ (draw) a picture. 8. sam likes _ (play) football, but his brother _ (do not) like it 六、根据具体情况回答问题。 1、whats your hobby? _ 2、do you love playing kung fu? _ 3、what do you want to do when you grow up? _ 4、whats your fathers hobby? _ 5、is your hobby making model ships? _ 6、when do you often read books? _ 七、写作。 请谈谈你的爱好或你朋友的爱好,写一写,不少于五句话。 _ 3_ 6. praise赞扬,赞美,表扬 praise for因为赞美 如:he praised her for her courage.他赞美她的勇敢。 7. be proud of自豪,为.而骄傲 如:i am proud of being an english teacher.我为作为一名英语教师而感到骄傲。 你的父母为你感到骄傲。_ 四、用所给的词的正确形式填空。 2 .i can _(clean) the classroom. 3. my sister can do many things at home, so she is very _(help). 4. my mother can _ (cook) the meal. 5. teachers can _(帮助孩子学子). 6. lets _(一起去游泳). 7. doctors can _ (帮助病人). 8. are you _ (擅长)playing tennis? 9. workers can _(make) machines for people. 10. he hopes _ (win) a prize for his team. 五、从abc三个选项中选择合适的答案,把序号填写在题前括号内。 () 1. _ can you do? a. whatb.who c.where () 2.-can you dance well? - _.a.i can sing well. b.yes, i do. c.yes, i can. ( ) 3. _ you helpful at home?a. do b. are c. can () 4. let her _ the door. a. opens b. closes c. open () 5.i am a good boy. i can _ my parents do some house work. a. helpful b. helpc. helping () 6 .what can i do _ you?a.of b.for c.to ( ) 7.we can help _. a. her b. she c. he ( ) 8. -can your father play basketball? -_. a .yes,she can b.yes,he cantc.no,he cant. ( ) 9. he often helps _ clean the room. a.me b. ic. my 4 unit 3 i can swim very fast 一、请写出下列词组的中文并朗读三次:(家长签名:_) read fast_jump high/far_ run fast_ sing well_ grow food for people_ get news for people_make machines for people. _ 二、重点句型: 1. what can you do? _ 2. can he run fast? _ 3. what are you good at? _ 三、重点精析: 1. be good at sth / doing sth擅长某事,擅长做某事 他擅长画画。_ 2. lets = let us let sb do sth让某人做某事 如:lets go swimming together.让我们一起去游泳吧。 让他来帮你。_ 3. help sb do sth帮助某人做某事 如:who can help children learn?谁能帮助学生学习呢? 你能帮我做家务吗?_ 4. for为了 工人能够为人们建房子。_ 5. hope to do sth希望做某事 如:i hope to see you again.我希望再见到你。 他希望冬天会下雪。_ dance well_ help children learn_ 1. what can you _(do)?() 10. he usually _ animals _ his sister. a. draw, with b. draws, with c. draws, for 六、对答如流。 ( ) 3.is he good at singing? c.i can wash the window. ( ) 4.can you water the flowers?d. running is my hobby. ( ) 5.whats your hobby? e. no, i dont. ( ) 6. does he help him? f. yes, he does. unit 4 can you do my homework? 一、重点句型: 1、can you do my homework? _ 2、who gives jiamin a present?_ 3、what will he do?_. 4、who can help me?_ 二、重点精析: 1、speak + 某种语言 如: can you speak chinese? 2、do ones homework 做家庭作业 他经常在晚上八点钟做作业。 _ 3、talk with sb 与某人聊天 talk about 谈论某事 你们在谈论什么? _ 我喜欢跟你聊天。 _ 4、make sb do sth 使某人做某事 如:he always makes me laugh.他总是让我大笑。 我父母使我每天看新闻。 _ 三、选择题。 () 1、what _he do on sunday? a、dob、does c、is () 2、what _you like for lunch? a、are b、doc、does () 3、how many people are there _

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