【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。

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?
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(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?
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(3)泰山一共有多少株古树?
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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?
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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?
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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) | 5800 | 14960 | 77830 | 286900 | 590022 |
冥王星到太阳的距离比地球到太阳的距离远多少万千米?
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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?
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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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