当前位置:首页 >> 小学教育 >>

不退位减法 Microsoft Office PowerPoint 2007 幻灯片_图文

100以内的加法和减(二) 不退位减
二年八班 刘莹

绿色圃中小学教育网http://www.lspjy.com

一、复习导入
请你帮我算一算,再把这些萝卜按照由 重到轻的顺序排一排。

25+7 69-33
绿色圃中小学教育网http://www.lspjy.com

24+16 5820 - 20







2008年北京奥运会金牌榜

一、复习导入
你都知道了 什么信息?

36-23= 36-16=

根据这些信息 你能提出什么 数学问题?怎 样列式?

51-36=
51-23=
绿色圃中小学教育网http://www.lspjy.com

中国和俄罗斯相 美国比俄罗斯多 中国比美国多 德国比美国少 差多少枚金牌? 多少枚金牌? 多少枚金牌? 多少枚金牌?

二、探究新知
13
十 个

列竖式计算应 美国比俄罗斯多 你们会笔算吗? 注意什么? 多少枚金牌?

36-23=

3 6 - 2 3 1 3

绿色圃中小学教育网http://www.lspjy.com

相同数位要对齐,从 个位减起。

三、知识应用
1. 做一做。
十 个

45-3= 42 4 5 -( 3)

绿色圃中小学教育网http://www.lspjy.com

( 4 2)

三、知识应用
1. 做一做。
十 个

64- 42= 22 ( 6 4) -( 4 2 )

绿色圃中小学教育网http://www.lspjy.com

( 2 2)

三、知识应用
2. 75-25=5 50 7 5 -2
绿色圃中小学教育网http://www.lspjy.com

快来数学小诊所 帮帮忙。

89-7= 29 82 8 9 2 9

5

-7 2 8
相同数位要对齐。

5

0

个位的0是用来占位的。

三、知识应用
3. 76 76 -5 3 +1 9 23 95

蝴蝶下面 藏着几?

绿色圃中小学教育网http://www.lspjy.com

三、知识应用
3. 98 37 -1 2 +3 4 86 71

蝴蝶下面 藏着几?

绿色圃中小学教育网http://www.lspjy.com

四、课堂作业

作业:第20页练习三,第1~3题。

绿色圃中小学教育网http://www.lspjy.com


以下是今天幸运会员获奖名单

m. jjyx0.com|vns6929com|xgx123|wwwappleclubcomhk|91800|www.kkk7775|ks8809.vip|69096acom|xwq168|056005.com|23c32276|846625com

jkamzxn3|778877|js5046com|WWW.K6622.CN|m.918hhs.com|tuav73.com|wwwpujing365com|85470077.com|www.cj1111.com|z77mm.com|WWW.66958.COM|WWW.FCTUFAN.COM|www.ting4488.com|youjizk.com|bcok.com|www.064321.com|www.amjs383.com|11654com|www.1818033.com|hg888388|www.hg4930.com|www.214hu.com|www.986289.com|www.94so.com|4809tcom|www.540ee.com|889037com|casdsadasda|ww.77dvd.com|33688k直播平台|m.pvp.uuu9.com|www.hg7417.com|wwwz358com|892951com|WWWFHALMSIXCOM|1515hh.com|www.8888av.co|hy12888|www.kj.26.com|0703zhou|www.494hu.com|www193344scom|jj观看地址: https://mg.angweim|ty998877|www.g3275.com|www.tm0809.com|www.blc2222.com|www365vipinfo|9204bet|www.kb9797.com|www699hhcom|www.43678.com|WWW.878878.COM|www.p4331.com|WWW.MAC9999.COM|wwwdyh111com|www.332258.com|6617409|wwwvns7700com|www.hg8068.com|www.545168.com|www.fl222555com|www31399fco|www5682ecom|www.hg2992.net|www.du0002.com|m.tiaoflm.com|erete6trd|www,77eee,com|w46165|WWW.74167.COM|160321.com|www.a6a61199.com|gg14.com|cnwrlrt2988|www.yh88011.com|www662244com|wwwwww859365com|6785ee. com|www.62678888.com|ww48111COm|www.yh00300.com|www146258com|www.42423399.com|wwwgbt046com|www.6669yy.com|xiao1981|09797kk|kk556677.com|mg1230.com|www.selangwu16.xys|77sbs.com|www.f799.com|56561com|0099ppp|ssss1111|www.5755969.com|www.ag.b6865.com|www.z282.com|qqww9988|site88ltcom|www.yesir.info|www.hg1146.com|15915911|www.kslnbx.cn|9464550.com|www. xiaodaoyy.cc|2179.win|v5088.com|www.05655z.com|www.370654.com|tcc88888|fed666.com|364874090@qq.com|www.lzlylc.com|www.jssb.gov.cn|www.006ss.com|wwwjm3388com|chuntai.host.echuzhou.cn|agm0000.com|wwwsb8855com|www.96244.com|www.ab44.com|3084.com|330dd cm|15016.com|7692.win|22296dd|gao205218|www.1545y.com|www.889755.com|www.ulnix.com|www.bloghuman.com|www.jiaoy88.com|www.hhh939.com|www34amjscom|www777comcom|13865659066|20776060.com|WWW.BEN26.COM|www.22086.com|WWW.CQ5553.COM|33hyk.co|www.pu710.com|wwwv920com|www33315com|ag.791105.com|www.bet4067.com|WWW.51HHK.COM|www.1157ag88.com|wb2611com|www.yabox9.com|leizhiqin123|www72200fcom|www.hydcd.com|www.waltercunha.com|jlzzz孕妇|jb587.com|www.51420.com|p0rno中国|WWW.HG7748.COM|www.vns1023.com|www.9707888.com|www.pj5566ff.com|www.pj69j.com|398403540@qq.com|0096678com|www.770628.com|

徽县贴吧|892209com|liangshendingzao.com|614999.com|www.8547z.com|59998080|lxx91944|42578com|www.u1155.com|www.33008040.com|www68uuucom|WWW6186COm|WWW.M28.COM|www.hg6421.com|wwwyh3164com|www.3119019.com|www.66074w.com|wwwygl555com|www.88fcgj.com|100AV.COM|http://y0022.xyz/?m=vod-detail-|www23087777com|www.334444.com|www.4444dc.com|wwwhg2095com|jing1324|shiwei111|www.1085s.com|4466b.com|www.998se.com|590msc.com|xieyusen|a966966|www.782999.com|0008934.com|55nep.com|857463com|wwwyabo296com|4676.ag|www.000488.com|8017.com|www.sit988.co|wwwbmw1234com|www.yw830625.com|ks3744.vip|475164776@pp.com|www.yinle1.com|zx360|wwwww-22444com|939666com|www087444com|www.boma44.com|336699|www.agks62.com|www.1770g.com|www.20559977.com|ershu520|csh999.net|18621669080|hjku|99jjrei.com|j3123.com|tyc111|9993949.com|wwwqqbt88com|www..86333.am|www.580msc.com|www.aotu15.com|3348x人全国最大网址|shiwuyu|wwwed0099com|www.dnsing.net.cn|www663662com|www.3178l.com|66438.com|18p2p.cn|WWW.PJ40888.COM|www.bmw11111.com|444ppp最新地址|www.XV app.com|www.yesebang21.com|www.0505hh.com|www03553com|mmk52k|wwwripfectcom|www.ayss18.top|www.vv820|10fhyl.com|qt8h|www.164345.com|www.cdblhs.com|wwwssc450com|rq6768|www.885599k.com|hg00306.com||mitao66|bravoteens.porndull.com|xah123123|www.210ii.com|534551553zll|WWW006NNCOM|www.y36cc.com|sunrunan|kanav00.com|www816654com|www.www-599888.com|www.9999ak.com|www.th1166.com|692ch com|832543.com|871844com|wwwbet5201com|71029423x|hui338|www.eee1234.com|www.2003365.com|www.mgm4886.com|www.834777.com|www.bsdfew.com|818mvcom|060net.com|www.041.nte|944suncity.com|www.bet7630.com|www.25pcpc.com|117xjj|am379.com|www058888acom|www9927pppcom|ctzl199410|1113168201.168.com|www.lu6vip.com|www.ks279.com|6666caiji.com|www.r44444.com|w488com|www.939900.com|057669C0m|www.39555.com|luna68.com|www.291abc.com|827700.com|wwwlv7778com|msc333.net|fafa867|www.168222111.com|www.83140.com|www.bmw8462.com|51803056|www.bttp7.com|sm8886.com|wxc735com|www.26ap.com|zk.0668.com|www.yh5220.com|lhf9555|www.5987.com|m.ks2888.com|www.gzra.cn|bwjtt6|129msc.com|441597995@qq.com|www.2222yh.com|www.1588666.com|unqing999.com|wwwcs55888com|zhao5185|

www6888hcom|www.bet365.net|02qs|www.00334138.com|dtcement.com|www.982v.com|www.1234e.com|www766188com|wwwjiushiwangcom|wwws5088com|www19901230com|www.068rr.com|WWW.708789.COM|nvqol.net|848449com|33304.com|wwwed353com|jbo19|ccc888|yabet4590com|10050319.com|www.sandianpai.com|wwwjg7777com|kyan426|www.200777.com|www.taonao.com|zhanghanlian|a676906408|wwwssd0007com|wwwyh722com|www.5674.com|1300123116|haiyan123|88479455|11654.com|WWW356234COM|www.yhg123456.com|cbs3zutdmt37|wwwtk8888tkcom|httpswww.q q c c 8 3|826426048@qq.com|www.6658885.com|国产女王Sm福利视频 www.dvxinjiahe.com|www.299ks.net|yyzmled.com|ag7128.win|www.wns234999.com|713123.com|11914com|m278899|wwwccxx999com|www.5444555.com|www.5855gg|www.933wyt.com|www.9986v.com|www.aaa444.com|446487.com|www.6xav.com|tt1502045|c2678622377|qy0549com|aabbbb123|biying900vip.com|1429m85|awcwincc|www.13XX,CCm.. COM|wwwmgm981com|www.33dxdx.info|cp28.com|wwwguoji3com|www.ytbzi.com|www.10gao.com|zhelsiu|agent.1amyhdl.com|www.174hs|xjzkgvocn|7908.vip|WWW.773322.COM|www50730acom|wwwljw408comcom|www.950.com|m.k1035.com|www.yinhe8.vip|918wyt|www.amxj678.com|http.//www.038.ee|wwwzd3355com|m.tctx99.com|www.6835668.com|www.hz66.com|7334ucom|www.66sbc.com|22sasa.com|www.g0287.com|q19920514|www569suncitycom|www997333COM|535102713@qq.com|www.484yu|1215885193|www.js4811.com|wwwk32ycom|fh55123.com|www.ok6762.com|www.h0g9w7.win|www686962com|www.Q9239.COM|WWW.XYF9999.COM|www.582434.com|wwwlhlhcomet|www.AZ4488.COM|www.770842.com|www,5151hh|249ss.com|ty7700.cn|js11579.com|www.58846.com|yabovip7846com|qyy8667com|js3689com|bj699.com|71071x.com|fasfqetr|www.148se.com|www.q190.com|799114.com|www.9603.com|www.11bv.com|ag.13436547880.com|50tvxyz|www. jbjb 123.com|1348773511@qq.com|ca1234567e|c849623156|411s1ss1111211c.rt4wf7.cn/?p=478'|www. 852ch. com|www.kf0000.com|www.068.tw|78945987987|911120|www.976207.com|www.am359.com|www.5785.com|www.ligo168.com|yun888.am|55dddd.com|wwwblh000com|www.354222.com|28658.com|www.092dh.com|wwwwnsr3858com|hr5566.com|jp5566.com|https:wwwqmcqecoml|www0207007com|www.1111kf.com|yb2824com|wwwhhl4444com|sx.122.gov.cn|www.dyj0899.C0m|wwwbetvictor22.com|www.955tk.net|3730-233|www6635com|www.btt|www.50596j.com|www.77popo.com|www.7911333.com|

www.qqq258'cn|www09amjscom|293988|www.ye321.com|wwwt228899com|www.694|www.jizzbo.com|www4043com|6008.com|abc0615|wwwsjg118com|wwwztgnet|c2220012215|ddtv333.com|5817u|3088mhd.com|www.28488811.com|79321.com|t. im9099.com|www.m.118kj.com|1382009.com|0077tyc.com|www.078588.com|www.ms88444.com|agks2417com|www.tlc0011.com|wwwxpj9356com|xg345.com|www.ylhg085.com|wwwjiba|5969tvcml8|ag7036.win|www12336com|77c77|5252hh.com|http://daohang.qq.com/|wwwxx|mg1239.vip|www81122com|www.1320h.com|3868214|WWW.393.CC|www.mbet.com|www.b10000.com|zs3311.com|www.9241.com|www.27027.com|bet1819.com|www.56166.com|hg994.com|nl96.knhkh.com|www.1198785.com|csl123456|iamqjh1990|www547667com|709hs.com|082006com|9999cao|WWW.JS0JS0.COM|www227755com|kangyunshuan|656ge|mzgj888.com|n105|ks3873.vip|www.hjaa6.com|681689.com|www.383tm.com|wwwwangdachuncom|wwwyoji6com|www.2899.com|heng88|4511com|www.227vns.com|www.4567nnn.com|WWW.075754.COM|chywx888|wwwjs3200com|www8884ylcom|cp999.com|wwwhg99488com|setv300.com|20fhyl|xubinbin98|www.49t7hk.com|csh2211.c0m|www65900421com|jd996com|WWW.9197K.COM|ks0588.com|agent.18806.com|2061324.com|www.22777220.com|85558x.con|www.ppp47.com|www.weibing.com|WWW.345649.COM|slw25|bmw1888|wwwhg3008com|www.33k3|www.877776.com|wwwgbt17com|2061322|www.eee483.com|41ssssssssssss2ssssss4ss2sss1s93.rt4wf7.cn/?p=484'|www2347com|sd666|www.6566768.com|wwwvns844com|www.72899.com|www.8011078.com|www811msccom|yabo2989.vip|www.507777.com|bet1600com|gongming_1281@qq.com|www.im.8xx8.live.com|WWW.3482.CC|9819.vip|wwwd9006com|www.vns3253.com|www.2225101.com|www9767com|355538.com|451091183@qq.com|6500n.cc|www.cc5.com|caca028.com|6824.com|yabo6875com|ag7955com|www.5309u.com|www.bbb270.comon|www.07bbb.com|www.b2689.com|www.tvs66.com|www.tyc779.com|wwwvn55bbcom|cwww7953|kk1987|2020696.com|dongjinggan.net dongjinggan.org|www92333aacom|85511y.com|171445774@qq.com|huchuang|1986t.com|etet66.com|pj9865com|dzjjiangsu|wwwC149COM|67415552|www.xqdc555.com|husha001|hg0514com|www.2388100.com|www.555234.com|http//:papalu.www.com|abc0922|www.m838.com|www.8xnz.com|wwwxpj1007com|www.86666g.com|807870com|www.pj0681.com|buhunewb|shaozhonghao|

以上会员名单排名不分前后