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北师大版三年级数学下册教学计划

西沟小学：刘玲玲

一、教材分析：

（一）数与代数

1．第一单元“元、角、分与小数”

结合购物的具体情境初步理解小数的意义，能认 、读、写简单的小数；感受比
较小数大小的过程；会计算一位小数的加减运算， 能解决一些相关的简单问题；能
运用小数表示日常生活中的一些事物，并进行交流。

2．第三单元“乘法”

会计算两位数乘两位数的乘法； 能结合具体情境进行估算， 并解释估算的过
程；能灵活运用不同的方法解决生活中的简单问题， 并能对结果的合理性进行判断。

3．第五单元“分数”

能结合具体情境与直观操作初步理解分数的意义， 能认、读、写简单的分数；

感受比较分数大小的过程；会计算同分母分数（分母小于 10）的加减运算，能解决
一些相关的简单问题； 能运用分数表示日常生活中的一些事物， 并进行交流。（二）
空间与图形

1．第二单元“对称、平移和旋转”
结合实例，感知平移、旋转、对称现象；能在方格纸上画出一个简单图形沿
水平方向、竖直方向平移 后的图形；通过观察、操作，认识轴对称图形，并能在
方格纸上画出简单图形的轴对称图形。

2．第四单元“面积”

结合实例认识面积的含义， 能用自选单位估计和测量图形的面积， 体会统一
面积单位的必要性，体会并认识面积单位（厘米 2、米 2、千米 2、公顷），会进行
简单的面积换算； 探索并掌握长方形、 正方形的面积公式， 能估算给定的长方形、
正方形的面积。

（三）统计与概率

第六单 元“统计与可能性”。通过丰富的实例，了解平均数的意义，体会学习
平均数的必要性，会求简单数据的 平均数（结果为整数）；根据统计图表中的数据
提出并回答简单的问题， 能和同伴交换自己的想法； 能够列出简单试验所有可能
发生的结果； 知道事件发生的可能性是有大小的； 对一些简单事件发生的可

能性做出描述，并和同伴交换想法。

（四）实践活动

本册教材除了安排“森林旅游”“旅游中的数学”和“体育中的数学”等 3 个
较大的实践活动外，还在正文或练习中提供了如下的实践活动：

1．到商店调查 3 种商品的价格，并做好记录。

2．找一找生活中的小数，并与同伴说一说。
< br>3．调查自己家两个月水、电费开支情况，并记录下来。通过分析数据把
你的感受与同伴说一说。

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4．收集一些对称图形、图案和照片在班里展览。

5．用纸剪出一个喜欢的图形，通过对称、平移或旋转绘制一幅图案。

6．设计旅游计划。

7．厨房铺地砖的设计方案。

8．制作七巧板。

9．调查你和同学的身高，计算你们组的平均身高约是多少。

10．在报刊上找出与平均数有关的信息，并与同伴交流。

经历以上一系列观察、操作、制作、调查、推理等实践活动，在合作与交流

的过程中，获得良好的情感体验； 获得并积累更多的数学活动的初步经验，

能够

运用所学知识和方法解决简单问题；感受数学在日常生活中的作用。

二、学生基本情况分析：

学情简要概述：

从上学期的学习情况来看， 大部分学生能够交好的接受新知识， 但是个别同
学基础差，不能跟上教学的进度，这也是班级中存在的一个严重的问题。

三、本学期的教学目标：培养学生知识与技能，探究与合作。能灵
活利用现代教学， 让数学课堂便的生动活泼， 轻松掌握本节课的内容。

四、教学措施和方法：

（一）让学生在具体生动的情境中学习和理解

本册教材中的小数与分数、 图形的变换与面积等概念， 都是学生初次接触的
重要的基础知识，要让学生在具体生动的情境中学习和 理解它们是至关重要的。

（二） 让学生有足够的时间通过独立思考、 探索和建构自己的数学意义，使
学生有机会讨论交流他们彼此的想法， 这不仅能够满足学生想成为探索者、 研究者
和发现者的强烈的心理需要， 发挥学生的学习潜能， 而且也提供了教师了解学生的
充分机会，从而教师的引导与指导也就更富有针对性和有效性。

（三）加强估算（测）能力的培养，鼓励解决问题策略与算法的多样化，

算法与策略的多样化， 不是靠教师教出来的， 而是学生个体差异使然； 把问题交
给学生自己想办法去解决时，他们对策略与算法所表现的不同取向是很自然的。

鼓励解决问题策略与算法的多样化的前提是把学习的主动权还给学生， 其次是让学
生经历交流各自策略与算法的过程， 比较各种策略与算法的特点， 选择并优化适
合于自己的策略与算法。

（四）重视培养学生应用数学的意识与独立解决问题的能力

要把数学学习与解决生活中的数学问题结合起来， 要充分利用教材所提供的数
学与生活紧密联系的线索， 培养学生学会用数学的眼光观察现实生活， 从 中发现
数学问题，提出数学问题，并解决数学问题，体会数学的广泛应用与实际价值，获
得良好 的情感体验。

五、教学进度表：

周次

章节

教学内容

课时

1

单元一

元、 角、 分与 小数

6

2

单元一

机动

3

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uvre,

through to the ling i deology of o edg ugt, s thcall of the soul to cist evoution and construction. Empty talks jeopardiznational interests and ry again, is n affirmation of Dg o-ping's reform strong political signalshowing new ge neration of political leaders istill keeping to te Socialist is revisitig te kio Ze-Dong's hstocalcycleof- corrupti on and te ice of te Coution, reorgniatin id style of officialdom, wa s to civilizeoplobey te l , hivine color change of the regime of is to reform into deeper waters ad stressedat to-leveldesign, this is a review on the reform and openng up in t he past, iSix frein and ssia
ent. s shathe new l eadershipegano ake a lefrn i , as of rigw, ot nly iological coon i n the community, the new leaersh's hinking is messy. Neaders bot h stressed the need t o implement the Constitution, stresse d the need to rn ofpower in cage. Also stre sses that Mao Zedong thought cannot be lost, 30 years after the reform and openng up 30 years ago

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evelnot eneach advocate emocracy a nd rele ase sevn does not speakofliti

ng up and reform and op
Comrades: todaybrings together embers, mainly inorder toprovi de a platform to Exchange ad lear n roeachn order t o facilitate our wrk. Just now, we focusn axation, pnni ng and stabilitsafy,proje ct construction, tpi cal topicssuch asprivate facts presentation and interaction, and tows currently exist in the in-de pth analysiof the problems tobe solved, to explore new methods to solve the pr oblem. Itcan be sai d that summingup t he achievement,no grandstanding; analy sis
cal costrait Nei

er e y t

promotion of emplment, form a reasonabl
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parts leadership, give full play to the core r





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d line of delimitation
ole of the party commands t


























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oving theparts leadig ater ...
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nha ncesoal developme nt, improving social gover
ong army under the new situation of the part Goal
former Communist Party spirit and
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restcti g the evopent f nati
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ensure that th
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nd
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nd system reform, prome te evelenofmilary anvi
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hat com prehe nsive reform must be to strengt
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o improve natural
ennd iove t
etariatharmonic societoi nt almost all olical tics of socialism pubc ow nership isprivate owulationand arketregulation, t he pr oletari an regime controlleersal equality, fairness ac principl es of distributi on sy stem is socialist society, however after economic monopolizedonot have the same status, harState key protectionof capital in the ibee n hits the bottom of the pro
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

单元二

单元二

单元三

单元三

单元三

单元四

单元四

单元四

单元五

单元五

单元五

单元六







对称 、平 移和 旋转

机动

乘法

整理与复习

机动

面积

机动

面积、期中测评

认识分数

整理与复习（二）

机动

统计 与可 能性

体育中的数学

整理与复习

总复习

总复习

总复习

总复习

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n order t

o acilate

, we focus

nnng and stabilit

safy,proje ct constr

ction,ypical topicssuchas vate acts rese

ntation and interaction, and tows currently exist in the in



of the problems to

be solved, to ex

plore new methods t

cane sai atsu

up t he achievement,

no grandstanding

analy si
3