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用新课程理念反思计算教学
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用新课程理念反思计算教学


作者:admin    文章来源:中学学科资源网    点击数:    更新时间:2006-12-25
计算是数学的重要组成部分,是学生终身发展必备的知识之一。本次新课程首先对计算教学进行了大幅度的改革,对计算的价值观重新定位,对计算教学的目标、难度、训练强度及方法都作了相应的调整。

  YI、ZAIQIANHOUBIJIAOZHONGBAWOXINKECHENGZHONGJISUANJIAOXUEDETEDIAN

  GUANYUJISUANJIAOXUE,JIAOXUEDAGANGZHONGGUIDINGLETADEJIAOXUEMUBIAOSHIYAOQIUXUESHENGLIJIEBINGZHANGWOJISUANFAZE,ZHUNQUE、SHULIANDIJISUAN。ERXINKECHENGBIAOZHUNDUIZHIZEYOULEXUDUOXINDEYAOQIU:

  1、JISUANJIAOXUERENGRANYAOLIJIESUANLI,ZHANGWOJISUANFANGFA,DANBUYAOQIUQIANPIANYILV,ERSHIZHONGZAIRANGXUESHENGXUANZEZIJIDEFANGFALAILIJIE;

  2、ZAIJISUANSUDUHENANDUSHANGYOUSUOJIANGDI,DANSHIFENZHONGSHIXUESHENGDEXINSUAN、KOUSUANJIGUSUANDENENGLI,YAOQIUXUESHENGNENGJIEHEJUTIQINGJINGJINXINGGUSUAN,BINGJIESHIGUSUANDEGUOCHENG;

  3、NENGJIEHEXIANSHISUCAILIJIEYUNSUANSHUNXU,NENGXUANZESHIDANGDEFANGFAJIEJUESHENGHUOZHONGDESHIJIWENTI,BINGDUIJIEGUODEHELIXINGJINXINGPANDUAN。

  YOUCIKEJIAN,WOMENZAIJISUANJIAOXUESHIYINGZHEZHONGTIXIANYIXIAJIFANGMIANDETEDIAN:

  1、CONGSHENGHUOQINGJINGCHUFAYINCHUJISUANTI,RANGXUESHENGTIHUIJISUANDEZUOYONGJIQIHELIXING;

  2、PEIYANGXUESHENGDEWENTIYISHI,ZUNZHONGXUESHENGYONGDUOZHONGFANGFAJIEJUEWENTI,ZHUYIPEIYANGXUESHENGDEQIUYISIWEI;

  3、PEIYANGXUESHENGDEGUSUANNENGLI。

  XINKECHENGXIADEJISUANJIAOXUETEDIANJUEDINGLEJISUANJIAOXUECHUANTONGDEDATILIANGJIXIEXUNLIAN、WEISUANERSUANDEJIAOXUEFANGSHIDECHEDIZHUANBIAN,XUYAOYIZHONGXINXINGDEJISUANJIAOXUEFANGSHI。

  ER、ZAIDADANTANSUOZHONGZHUANBIANJISUANJIAOXUEFANGSHI

  JIAOWEIXUEFUWU,JIAOSHIMENCONGDUIJISUANJIAOXUEDEFENXIZHONGSHENSHENGANSHOUDAOXINKECHENG“YIXUESHENGFAZHANWEIBEN”DEGAIGELINIAN,ZAIDALIANGSHIJIANTANSUOHOU,WOXIAODUIJISUANJIAOXUEXINGCHENGLEXINDEJIAOXUESILU。

  1、CHUANGSHEXUEXIQINGJING

  XINKECHENGZHONGDESHUXUEJIAOXUETIXIZHONGBUZAIBAYINGYONGTIJIAOXUEZUOWEIDANDULEYIGEDANYUAN,ERBAYINGYONGTIZUOWEILIXINGDEYIGEZHENGMINGGUOCHENG。SUOYICHUANGSHEJISUANXUEXIQINGJINGQIYISHIZHICONGXUESHENGSHUXIDESHENGHUOJINGYANRUSHOU,CHUANGSHEYIZHONGSHIJISHENGHUOQINGJING,RANGXUESHENGCONGSHENGHUOQINGJINGZHONGFAXIANWENTI,TICHUWENTI,CONGERYINRUJISUANXUEXI。RUJIAOXUECHENGFAJIAFAHUNHEYUNSUANSHI,WOMENCHUSHILEKENDEJIDEJIZHONGSHANGPINDANJIATUBIAO,RANGXUESHENGTICHUGEZHONGWENTI,YOUDEXUESHENGTICHU:WOYAOMAILIANGGEHANBAOHEYIBEIKELEYONGDUOSHAOQIAN?JIUYINCHUSUANSHI:SHICHENGYIERJIAWUDEDUOSHAODEHUNHEYUNSUANSHITI,BINGDUIYUNSUANSHUNXUHELIXINGJINXINGLIJIE,ZAIRANGXUESHENGTANBENKEGANSHOUSHI,YOUDEXUESHENGSHUODAO:WOHUIYONGXUEDAODEZHISHILE;HAIYOUDESHUOWOZHIDAOWEISHENMEYAOXIANSUANCHENGFAZAISUANJIAFALEDENGDENG,BAJISUANSHUXUEHEXUESHENGSHENGHUOSHIJIXIANGJIEHE。CHUANGSHEXUEXIQINGJINGZHIERSHICONGXUESHENGYIJINGJUYOUDEZHISHIJICHUYINREN。RUJIAOXUEDIQICECHUFADEJIANSUANSHI,JIAOSHITONGGUOXUESHENGYIJINGZHANGWODECHENGFAJIANSUANFUXIRENSHOU,GAIBIANTIMUBIANCHENGCHUFAYUNSUAN,RANGXUESHENGYUNYONGLIANXIANGSHIZUO,SHIXUESHENGYIKAIKEJIUZHIJIECHUTI,ZHIBENZHUTIERQU,ZHANKAITAOLUN、CHANGSHI、YANZHENG。ZHEILIWOMENGAIBIANLEYUANJIAOCAIZHONGSHEJIDEYIBUYIBUQUYINDAO、QUGUINADEFANGFA,JIAOXUEXIAOGUOFEICHANGHAO,XUESHENGCANYUDEYISHIHENQIANG,ERQIESUODUANLEXINSHOUSHIJIAN。

  2、YINRENZIZHUTANJIUDEXUEXIFANGSHI

  XINKECHENGZUIZHONGYAOGAIBIANXUESHENGDEXUEXIFANGSHI,JIFAXUESHENGXUEXIDEZHUDONGXING。ERZONGGUANJISUANJIAOXUE,JUEDADUOSHUDEXINZHISHIZAIYUANYOUZHISHISHANGDEQIANYI、BIANHUA、ZONGHEERCHENG,GENJUXUESHENGXUEXIJIANGOUTEDIAN,YINGYOUJIAOSHIQIANZHEJIAOZHUANXIANGXUESHENGZHUDONGXUE,BAXINZHITONGGUOBIJIAODENGFANGFANARUZIJIDEYIYOUZHISHITIXIZHIZHONG,SUOYIWOMENZAIJISUANJIAOXUEZHONGFEICHANGZHONGSHIXUESHENGDEZIZHUTANJIUXUEXI,TIXIANYUYIXIAJIGEFANGMIAN。

  (1)FUXIDAORENSHI,YAOZHUYIXUESHENGQUNTIDECANYUXING,KOUSUAN、BISUANJINKENENGRANGXUESHENGQUANYUANCANYU,JIHUOXUESHENGYIYOUDEZHISHI。

  (2)XINSHOUHUANJIESHIWENYAOCHONGFENFAHUIXUESHENGDEZHUTIDIWEI。KEFENXIAJIGEJIAOXUEHUANJIE:

  ·SHOUXIANRANGXUESHENGSHIZUO,XIAOZUJIAOLIU;

  ·RANHOUZHANSHIBUTONGFANGFA,YINDAOXUESHENGFAXIANGUILVHEWENTI(YAOZHUYISUANFADUOYANGHUA)。ZHEIYIWUYIJIEZHONGJIAOSHIJINGXINCHUANGSHEWENTIQINGJING,YINDAOXUESHENGQUFAXIANGUILV、BIANBIEYITONG;ERQIECAIYONGXIAOZUHEZUOXUEXIFANGSHI。XIAOZUXUEXISHIYOULIANGDACENGCI:XIANZAIXIAOZUDEJIAOLIUHEZUOZHONGHUXIANGQIFA,JIEJUEJIANDANDEWENTI。ZAIBAXIAOZUZHONGMEIYOUJIEJUEDEWENTI、JUYOUDAIBIAOXINGDEWENTIJISHITICHULAI。

  ·ZUIJINZONGJIEGUINA,DECHUJIELUN。ZAIJIEJUEGONGXINGWENTISHIJIAOSHIJIYUSHIDANGDEDIANBO,ZUODAOYINERBUQIAN,FANGERBUZONG。

  (3)LIANXISHIYAOJIANGJIUCENGCIHUA、QUWEIHUA、DANXINGHUA。CHUANTONGDEJISUANJIAOXUEKUZAOWANGWANGSHILIANXISHIYAOQIUDEDANYIHUAZAOCHENGDE,YANZHONGYINGXIANGLEXUESHENGXUEXIDEJIJIXING,RUHESHIXUESHENGDUIJISUANJIAOXUEZAIQINGSONG、YUYUEDEFENWEIZHONGSHENGCHENGYIDINGDENENGLISHIJISUANJIAOXUEYINGGAIZHONGSHIDEZHONGYAOWENTI,WOMENRENWEILIANXIZAIJISUANJIAOXUEZHONGYOUZHEJUZUQINGZHONGDEZUOYONG。YINGZHUYIYIXIAJIGEFANGMIAN:

  ·CENGCIHUA。ZHEISHIZHIDUILIANXIDEYAOQIUSHIYOUZHUNQUEDAOYOUDUIYOUKUAIGUODU;DUILIANXIDEMUBIAOSHIHAOZHONGCHAJUNYOUSUODE;DUILIANXIDEANPAIYAOYOUYIDAONANZONGHEDESANFANGMIANNEIRONGDECENGCIYAOQIU。

  ·QUWEIHUA。ZAILIANXISHI;BEIiLIBUDUANZHENG'XIANGERGAIXINYINGXUNHUODONG,ZHURUXIAOJINGSAI、XIAOYOUXI、XIAOSHIYANDENG,SHIXUESHENGDEQINGXU、QINGGANSHIZHONGCHUYUPENGBOZHUANGTAI,ZIZUNXIN、ZIXINXINDENGDEDAOMANZU。JISUANJIAOXUEBUYAODANCHUNWEILEJISUANERJISUAN,ERYAOBATAHEKECHENGBIAOZHUNZHONGSUO

CHANGDAODESHENGHUOSHIJI、QINGGANTAIDUDENGJIEHEQILAI,BIMIANJISUANDEDANYIXING、KUZAOXING。

  ·弹性化。这是数学课程改革的根本目标:不同的人学不同的数学,不同的人在数学上有不同的发展,人人学有价值的数学。从中体现了对学生的尊重,体现了教师的教学观是否以学生的需要为着眼点。

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