同步 四年级 数学

1、3.3角的度量同步练习角的度量同步练习 一选择题 1三角尺是我们常用的文具，用它可以估测很多角的大小，请你估一估1 的大小约是 。 A15 B35 C60 D85 2从 1：00 到 1：15 分，分针转动了 度。 A15 B30 C60 。

2、3.1线段直线射线同步练习线段直线射线同步练习 一选择题 14 个点可以连成 条线段。 A6 B5 C7 2 的长度是有限的。 A直线 B射线 C线段 3星期天，李阿姨从家出发去超市购物。第 条路最近，因为两点乊间所有的连线中 最短。 A；。

3、第一单元大数的认识1 认识亿以内数的计数单位和数位顺序表预习指南:认识计数单位万十万百万千万亿,亿以内的数位顺序表;结合现实情境,进一步体会位值的含义,感受大数的意义。1.我们学过的计数单位从小到大依次有,相邻两个计数单位之间的进率是。2.。

4、,第 9 课时 练 习 四,第 二 单元 两、三 位 数 除 以 两 位 数,练习四,1算一算，比一比。,4,2,9,0,3,9,6,2,1,练习四,1算一算，比一比。,8,4,2,8,2,7,1,2,7,8,2,练习四,1算一算，比一比。,6,5,2,8,2,5,2,2,0,0,4,练习四,2先找出错在哪里，再改正。,练习四,3用竖式计算并验算。,9231,43062,2,2,6,3,6,7,3,5,8,0,2,练习四,3用竖式计算并验算。,22074,40583,2,4,1,7,2,8,4,3,3,7,3,2,练习四,4,平均每个少先队植树多少棵？,184238（棵）,答：平均每个少先队植树8棵。,练习四,5算一算，比一比。,2,2,5,2,3,8,7,5,1,练习四,5算一算，比一比。,6,7。

5、Unit 4 My Home Part B,bed,sofa,table,phone,fridge,bed, sofa, table, phone, fridge,连连看,Moms in the living room. Dad is too.,kitchen,Brothers in the kitchen.,Sister is too.,Im in the bedroom.,Where are you?,Are they _?,apples,rulers,erasers,pencils,books,Listen and answer: Where are the keys?,Where are the keys?,A. Theyre near the phone. B. Theyre in the door. C. Theyre on the table.,Listen and choose,They are _.,on the sofa,on the chair,under the bed,on。

6、Unit 3 My friends Part B,Lets learn!,brown shoes,My friend has brown shoes.,Lets learn!,blue glasses,My friend has blue glasses.,Lets learn!,long hair,My friend has long hair.,Lets learn!,short hair,My friend has short hair.,Lets learn!,a green bag,My friend has a green bag.,Lets talk!,A boy or girl?,Hi, John. I have a new friend.,Lets talk!,A boy. Hes tall and thin.,Lets talk!,Who is he? Zhang Peng?,No, he has brown hair and red shoes.,Lets talk!,Is he Brooklyn?,Yes. Youre right.。

7、Unit 6 Meet My family! Part A,Raise your hand. Sit down. Stand up. Get the book. Open/close your book. Come here. Go back.,boy,girl,man,woman,baby,beibi,婴儿,sister,sist,brother,br,姐妹,兄弟,father,f:,mother,m,爸爸,妈妈,Who are they?,They are Amys parents.,My uncle is my fathers or mothers brother.,My aunt is my fathers or mothers sister.,Family,fmili,家庭,Look, thi。

8、Unit 2 My schoolbag Part B,Think and say,Whats in your schoolbag?,Lets learn!,candy,Its red.,Lets learn!,notebook,Its black.,Lets learn!,key,Its golden.,Lets learn!,toy,Its pink.,Lets talk!,What color is it?,Excuse me. I lost my schoolbag.,Lets talk!,OK. Whats in it?,Its green and yellow.,Lets talk!,An English book, two toys and a notebook.,Lets talk!,Here it is!,Thank you very much!,Lets play!,Three keys, two toys and an English book.,Whats in your schoolbag?,Lets play!,Tw。

9、3.5画角同步练习画角同步练习 一选择题 1下面各角中， 能用一副三角尺画出来。 A65 B95o C105 D160o 2下面的图形中的角都是由一副三角板拼成的，第 幅拼成的角等于 105。 A B C D 3下图是用一副三角尺拼出的图形。

10、Unit 3 My friends Part A,Lets learn!,tall and strong,I have a good friend. Hes tall and strong.,Lets learn!,short and thin,I have a good friend. Hes short and thin.,Lets learn!,friendly,I have a good friend. Shes friendly.,Lets learn!,quiet,I have a good friend. Shes quiet.,Lets talk!,Mum, I have a new friend.,Really? A Chinese friend?,Yes, hes very friendly.,Lets talk!,Whats his name?,His name is Sun Yue.,Lets talk!,Yes, he is.,Look! Hes tall and strong.,Lets play!。

11、Unit 4 My home Part A,Hello! Im Miss Yao. This is my home. Welcome to my home.,-What can you see in the picture? -I can see ,living room,You can see a living room.,study,You can see a study.,kitchen,You can see a kitchen.,bed,+,room,=,bedroom,the bedroom,You can see a bedroom.,the bathroom,You can see a bathroom.,Lets play!,Guessing Game（猜她在哪儿）,-Is she in the _? -Yes, she is/No, she isnt.,Guessing Game（猜她在哪儿）,-Is she in the _? -Yes, she is/No, she isnt.,-Is sh。

12、Unit 1 My classroom Part A,classroom,We have a new classroom.,classroom,We have a new classroom.,Think and say,Whats in the classroom?,Lets learn!,door,Open the door.,Lets learn!,light,Turn on the light.,Lets learn!,window,Close the window.,Lets learn!,picture,Put up the picture.,Lets learn!,blackboard,Clean the blackboard.,Lets talk!,Hey, Zhang Peng. We have a new classroom.,Lets talk!,Lets go and see!,Really? Whats in the classroom?,Lets talk!,Its so big!,Look! My picture!,It。

13、Unit 2 My schoolbag Part A,Whats in your schoolbag?,a Chinese book,a math book,an English book,a pencil case,a ruler,a pencil,a notebook,Whats missing?,Whats missing?,Whats missing?,Whats missing?,Lets do!,Put your notebook on your desk.,Lets do!,Put your pencil on your pencil case.,Lets do!,Put your ruler near your pencil case.,Lets do!,Put your Chinese book under your notebook.,Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiu。

14、练习一基础达标：一、填空 和万位相邻的数位是（ ）和（ ） ，其中（ ）是个级的数位。 （ ）个万是十万， （ ）个十万是一百万，10 个（ ）是一千万。 从个位起，第（ ）位是千位，第 5 位是（ ）位，第（ ）位是百万位。 一个六位数，它的最高位是（ ）位；最高位是千万位的数是（ ）位数；八十万是（ ）位数。 3507000 是（ ）位数，最高位是（ ）位，读作：（ ） 。 30167284 中的“1”在（ ）位上，表示 1 个（ ） ；“3”在（ ）位上，表示 3 个（ ） ；万位上的是（ ） 。表示（ ）个一万。30167284 读作：（ ） 。二、下面的每组。

15、Recycle 2,四年级上册,Read aloud,Wow! Its beautiful!,This is our living room.,Come and meet my family. Theyre in the kitchen.,Welcome!,Merry Christmas!,Merry Christmas!,Is that your father?,Yes, Hes Father Christmas now.,This is my mother. Shes a nurse.,Nice to meet you.,Nice to meet you, too.,What would you like?,Id like some turkey, please.,Would you like some juice?,Yes, please.,Help yourself!,Merry Christmas!,圣诞小知识,(1)圣诞老人从前有一个老人，他一生最爱帮助贫穷的人家。其中有一次他帮助三个。

16、Recycle 1,四年级上册,Let me help you.,Thanks.,Read aloud,Wow! Your bag is so heavy. Whats in it?,An English book, a maths book, a notebook and ten storybooks.,Ten?,Yes. Theyre my friends storybooks.,Whos your friend?,Can you guess? Shes friendly and she speaks English well.,I know. Its Amy!,No. shes tall. She has short hair and big eyes.,I dont know. Whats her name?,Sandy White, our English teacher.,Ah!,Kate,Mike,Rose,Tim,Bob,name,win,nine,dog,race,lake,doll,Tom,hot,game,Coke,fine,note,Jone。

17、 1 第一周第一周 四则运算四则运算 1、整数加法 (1)把两个数合并成一个数的运算叫做加法。 (2)加数+加数=和，一个加数=和另一个加数 2、整数减法 (1)已知两个加数的和与其中的一个加数，求另一个加数的运算叫做减法。 (2)被减数=差+减数，差=被减数-减数，减数=被减数差 (3)加法和减法互为逆运算。 3、整数乘法 (1)求几个相同加数的和的简便运算叫做乘法。 (2)在乘法里，0 和任何数相乘都得 0. (3)1 和任何数相乘都得任何数。 (4)一个因数一个因数 =积；一个因数=积另一个因数 4、整数除法 （1）已知两个因数的积与其中一个因数，求另一个。

18、 目目 录录 第一周 大数的认识和读写法 1 第二周 大数的改写和求近似数 7 第三周 公顷和平方千米13 第四周 角的度量18 第五周 三位数乘两位数24 第六周 积的变化规律及综合应用28 第七周 平行四边形和梯形31 第八周 平行四边形和梯形单元检测37 第九周 除数是两位数的除法39 第十周 商的变化规律44 第十一周 条形统计图48 第十二周 优化问题51 第十三周至第十五周 期末归纳复习54 小小 学学 数数 学学 小小 组组 班班 资资 料料 四上 1 第一周第一周 大数的认识和读写法大数的认识和读写法 1 1、亿以内数的认识：、亿以。