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冀教版四年级上册《计算器》练习题

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【导语】以下是小编整理的冀教版四年级上册《计算器》练习题(共3篇),欢迎阅读与收藏。

冀教版四年级上册《计算器》练习题

篇1:冀教版四年级上册《计算器》练习题

冀教版四年级上册《计算器》练习题

一、判断题

1.计算器可以进行加减乘除等运算。( )

2.使用计算器既可以提高计算速度,也可以帮助我们快速解决其他数学问题。( )

3.在计算器上按了10-6C3=这几个键后,计算器显示7。( )

4.在计算器上按了12×6C9=这几个键后,计算器显示108。( )

5.一个数的近似数一定比原来的数小。( )

二、填空

1.计算器是一种运算速度快。操作简便的( )。

2.电子计算器是通过按( )来进行计算的。

3.一道题计算完成后,只需( )键,就可以进行另一道题的计算了。

4.开机键是( );键+-×÷是( )键。

5.9-4C5=( )12-5C6=( )

6.从1000里面连续减去6个98,结果是( )

三、用计算器计算

1.看谁算的又对又快

458+364=

854+1348=

3024-485=

2983-927=

3002×152=

1625÷25=

1548÷43=

485×124=

3074-452=

2.比一比看谁算的又对又快

325×59=

4872÷24=

305×183=

325×154=

4608÷36=

5106÷74=

3.脱式计算下面各题

452+1358-807 132×59-1034 52×340+625 3815÷35-27 308×125÷25 35×(729÷27) 2405÷(85-48) 88×(9050-4909) 945×(2233÷29)

4.先用计算器计算,然后比较大小

763×469○37500-3323 101×99○100×100 556×667○665×557 3328×78○76×2238

四、先用计算器计算,然后按规律在横线上填数

(1)11×99= 111×999= 1111×9999= ___×___=___ (2)15×15= 25×25= 35×35= ___×___=___ (3)999×11= 999×12= 999×13= 999×14= 999×17= (4)9×9= 99×99= 999×999= 9999×9999= 99999×99999=

五、走进生活,解决问题

1.泰山古树

(1)灵岩寺的古树比红门的古树多多少株?

_____________________________________

(2)南天门的`古树和红门的古树的和比灵岩寺的古树少多少株?

_____________________________________

(3)泰山一共有多少株古树?

_____________________________________

2.据调查,5只猫头鹰一个夏天可以吃掉5000只田鼠。按一只田鼠糟蹋1千克粮食计算,250只猫头鹰一个夏天可以保护多少钱可粮食?合多少吨?

_____________________________________

3.一本故事书共128页,每页有25行,每行28个字,这本故事书共有多少个字?

_____________________________________

4.太阳系的九大行星

行星水星地球木星天王星冥王星
到太阳的距离(万千米)58001496077830286900590022

冥王星到太阳的距离比地球到太阳的距离远多少万千米?

_____________________________________

5.奶牛场养了235头奶牛,每头奶牛每天吃草15千克,照这样计算,这些奶牛45天一共要吃草多少千克?

6.家乐福洗化超市合杨宁洗化超市为了促销,各自打出了优惠广告(如下图)。某单位打算购买440瓶这样的洗发液,应选择哪家超市比较合算?

_____________________________________

篇2:冀教版四年级上册英语教案

教学目标:

知识与技能:

Key words and phrases:country project also call speak right city cousin there

Sentences:San Francisco is in the west.

Task aim:Learn about the cities of America .And grasp the position words .Use the simple sentences to describe the position of something.

过程与方法:单词、课文、对比

情感、态度和价值观:美国三大主要城市的地理位置

德育目标:培养学生的方向感

重点:Key words and phrases:country project also call speak right city cousin there

Sentences:San Francisco is in the west.

难点:Learn about the cities of America .And grasp the position words .

Use the simple sentences to describe the position of something.

教学方法:

讲授、对比

教学过程:

(一)导入:

Sing the song together.”I am the music man.”(construct funny atmosphere)

Show some pictures or maps about London.

Free talk(Have students describe the picture)(review and present the new lesson)

(二)探究新知Teacher’s Q:Which countries speak English/

S:England,American…

Q:What do you know about America?

S:In Chinese they may say something about it.

OK,today let’s do it in English.

Show a map of America.(Teacher draw it before the class)

And introduce “This is my project .It about America”(show “project…)read it and understand it.

b. Use questions to show new words

Q:what language do the people speak in America?

S:people speak English in America.

Q:what’s the capital of America?

S:Washington D.C is the capital of the USA.

Q:where is it?

S:It’s in the east.

New words:speak,east新|课|标|第|一| 网

c. Use the map to show the position of New York and San Francisco. And present the text contest on the blackboard.(teach new words “ city,west,cousin)

d. Make sure that all the contest on the blackboard and use a color chalk underline the new words.

Listen and repeat. And read it in pairs.

Repeat some key sentences with a teacher .Understand the meaning of it.

Competition between two students. Read it “Who can read it more quickly?”

(Improve the students ability of oral English)

(三)巩固新知

Do you have a friend?If you have,please draw her / his house .And tell us where is his / her house?

(Practice “I live in Beijing. My friend lives in …)Give them 2’ to remember the new words and the meaning of it .Then finish the part 1 on Activity book. Check the answer in groups

Point,ask and answer

Show some pictures on TV.(on the blackboard)

A:Where is New York?B:It’s in the east.

(Look at pictures and describe the position of it)

3. Show a map of China and deal with the part 3 on activity book

(四)作业布置

(五)小结Practice to read and remember the new words .(look at the phonetic symbol and say them out)

Important sentences(make a simple translation)

板书设计

Unit 1 Did he live in New York?

It’s about America.

It’s called USA.

篇3:冀教版四年级上册单词表

school [sku:l] n 学校

classroom ['klɑ:srum] n 教室

library ['laibrəri] n 图书馆

playground ['pleigraund]n操场

where [hwɛə] adv 在哪里

near [niə] prep 在...附近

far [fɑ:] adj & adv 远

from [frɔm] prep 从.....来

far from 离…远

the [ðe] 这(那)个;这(那)些

street [stri:t] n 街道

bike [baik] n 自行车

taxi ['tæksi] n 出租汽车

car [kɑ:] n 汽车,小汽车

bus [bʌs] n 公共汽车

thirty ['θə:ti] num 三十

light [lait] n 灯

red [red] adj & n 红色(的)

yellow ['jeləu] adj & n 黄色(的)

green [gri:n] adj & n 绿色(的)

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