主题七两档直接退位拨珠拨珠规律拨珠方法本档不课件讲解

Ballpullingmethod:Whenusingbothhandstogether,Moveonewithyourlefthand,Putyourrighthandintomakeup.主题七两档直接退位拨珠ThemeSevenorTwoGearDirectReverseBallPullingBallpullingpattern:Thisfileisnotenoughtobedialed,Reversethefrontgearbyone,Thisfileisallocatedforreplenishment

小朋友，我们一起来学习两档直接退位拨珠吧！Children,let'slearntwolevelsofdirectreverseballmovementtogether!拨珠规律：

本档不够拨去，

前档退一，

本档拨入补数。拨珠方法：

双手联拨时，

左手拨去一，

右手拨入补。62活动1相同数两档直接退位拨珠Activity1:Samenumberoftwolevelsofdirectreverseballshifting小朋友，跟老师来学习相同数两档直接退位拨珠吧！Children,comeandlearnthesamenumberfromtheteacher,juststepbackandplaytheball!（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)示例一：Example1:－44十位档拨去4，百位档退一，十位档拨入补数6Movethetenthgearto4,movethehundredthgearbackto1,andmovethetenthgearintomakeupfor6个位档拨去4，十位档退一，个位档拨入补数6Shiftonegearto4,shifttengearsbackto1,Individualgearinputcompensation663小朋友，跟老师来学习两档直接退位拨珠吧！Children,followtheteachertolearntwolevelsandjuststepbackandplaytheball!（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)示例二：－22十位拨去2，直接拨Dialtwooutoften,directlydial个位档拨去2，十位档拨去1，十位档有0时，先拨入9，百位档退一，个位档拨入补数8Movethesinglegearto2,andthetenthgearto1,Whenthereis0inthetenthgear,firstdialin9,Movebackonehundredgears,andshiftinonegeartomakeupfor8

示例二：第2步中个位档拨去2，为“隔档退位拨珠”哦！Example2:Inthesecondstep,iftheindividualgearissetto2,itiscalled"shiftingtheballtoanothergear"!活动1相同数两档直接退位拨珠Activity1:Samenumberoftwolevelsofdirectreverseballshifting64活动2相同数两档直接退位珠算训练Activity2:Twolevelsofdirectabacustrainingwiththesamenumber（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)小朋友，你能自已完成吗？Children,canyoucompleteityourself?

时间：

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wrongNO一二三四五六七八九十A77－4477－5533－3355－2222－7766－5555－4477－8844－7788－33答时间：

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wrongNO一二三四五六七八九十B11－8855－3377－5544－9944－5577－9977－5566－2266－8888－99答65活动3两档直接退位脑力训练学习Activity3:Twolevelsofdirectretreatbraintrainingandlearning小朋友，你能自已做脑算吗？Children,canyoudoyourownbraincalculations?示例二：Example2:示例一：Example1:66活动4两档直接退位脑力训练Activity4:Twolevelsofdirectretreatbraintraining（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)

小朋友，让我们来做一听、做一做吧！Children,let'slistenanddoit!时间：

分秒

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Time:minutes,secondsright

wrongNO一二三四五六七八九十A77－477－355－588－955－477－377－555－255－866－4答时间：

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wrongNO一二三四五六七八九十B66－333－888－411－299－777－533－955－533－466－8答67课堂测试（七）比一比谁最棒Classroomtest(7):1:1,whoisthebest一二三四五六两笔听数拨珠（请小朋友把答案写在里）Twostrokesoflistening,counting,anddrawingbeads(pleasewritetheanswersinside)你最棒youarethebest棒stick加油哦comeon68

趣味游戏（八）乌鸦喝水FunnyGames(VIII)CrowsDrinkWater乌鸦想要喝饮料，请你画出它的路线。Thecrowwantstodrink,pleasedrawitsroute69活动5不同数两档直接退位拨珠小朋友，跟老师来学习不同数两档直接退位拨珠吧！Children,comeandlearndifferentnumbersfromtheteacher.Juststepbackandplaytheball!（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)示例一：Example1:－58十位档拨去5，不够拨，百位档拨去1，十位档拨入补数5Shiftthetenthgearto5,notenough,shiftthehundredgearto1,Tenpositioninputcompensation5个位档拨去8，不够拨，十位档退1，个位档拨入补数2Shiftonegearto8,notenough,shifttengearbackto1,Individualgearinputcompensation270

小朋友，跟老师来学习两档直接退位拨珠吧！Children,followtheteachertolearntwolevelsandjuststepbackandplaytheball!（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)示例二：Example2:－53十位档拨去5，不够拨去，百位档退一，十位档拨入补数5Move5outofthe10thgear,ifnotenough,move1outofthe100thgear,Tenpositioninputcompensation5个位档拨去3，不够拨去，十位档退一，十位档有5时，十位档双上9，个位档拨入补数7Movethegearto3,butnotenough,Whenthetenthgearisinreverse,thereare5timesinthetenthgear,Tengeardoubleup9,onegearinputcompensation771活动6两档直接退位珠算训练Activity6:Twolevelsofdirectretreatabacustraining（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)小朋友，你能自已做脑算吗？Children,canyoudoyourownbraincalculations?

时间：

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Time:minutes,secondsright

wrongNO一二三四五六七八九十A－5656－3435－1523－2463－6457－3288－6797－5972－1925－1730答时间：

分秒

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wrongNO一二三四五六七八九十B－35－52－2326－5978－1879－1698－6975－3424－2656－1834－3455答72活动7两档直接退位脑力训练Activity7:Twolevelsofdirectretreatbraintraining（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)小朋友，你能自已做脑算吗？Children,canyoudoyourownbraincalculations?示例二：Example2:示例一：Example1:73活动8两档直接退位脑力训练Activity8:Twolevelsofdirectretreatbraintraining（“＋”为拨入，“－”为拨去）("+"forincomingcalls,"-"foroutgoingcalls)

小朋友，让我们来做一听、做一做吧！Children,let'slistenanddoit!时间：

分秒

对

错

Time:minutes,secondsright

wrongNO一二三四五六七八九十A74－4895－371－26－26763－8－39438－246－