剑桥少儿英语三级下Unit5_Maths_problems

Unit5Mathsproblemsten十twenty二十thirty三十forty四十fifty五十sixty六十seventy七十eighty八十ninety九十onehundred一百OneTwoThreeFourFiveSixSevenEightNineTen一千？onethousandTwoaddtwoisfourTenaddtwentyisthirtyThirtyeightaddtwentythreeissixtyone35add35is?28add58is?39add45is?EightminustwoissixtwentyminustenistenFiftyeightminustwentythreeisthirtyfive35minus15is?99minus54is?77minus45is?Newwordsfood食物Newwordsradio录音机Newwordsoxygen氧气Newwordsspacesuits太空服Askthefollowingquestions:Iftherewerenohorses,pigsandgoats,howmanyanimalswouldtherebeonthefarm？WhatdidBobdolastweekandhowmuchtimedidhespendoneachtime?Howmanyhoursarethereinoneweek?Whichactivitytakesupmostoftime?Lookthinkandcolour.Sarah’sbedroomflooriscoveredintriangles.Usecolorstomakeapatternonherfloor.William’sbedroomflooriscoveredinsquares.Usecolorstomakeapatternonhisfloor.1)LargenumbergofirstPutthelargenumberfirstandcountonthesmallone.e.gtoworkout7+496quickly,weshouldchange7+496to497+7Trythefollowingnumbersquickly:6+1912+7836+8945+9772)EasyaddingToadd9,add10,thenjumpback1Toadd11,add10,thenjumpon1moreToadd19,add20,thenjumpback1Trythefollowings:42+968+984+1167+193)MakeiteasyToadd24+7+3+6,lookforeasypairse.gtoworkout24+7+3+6quickly,weshouldchange24+7+3+6to24+6+3+7Trythefollowingnumbersquickly:77+5+15+338+5+2+2548+4+2+687+9+3+1Whatmustbeaddedto391tomake400?Whatisthedifferencebetween501and489?CanyouspeaktheseinEnglish:368plus200315minus100140takeaway50add278and81200minus600826minus710Canyouspotthepatternofthefollowings?24625811262116135100959014916thinkup想出bringsthwithsb某人随身携带。。。bereadytodosth准备做某事atanytime在任何时候begoodat擅长。。。workout算出straightaway立刻，马上easy-going外向的understand理解Whenitcomesto…当轮到。。。的时候win赢winner胜利者ping-pongmatch乒乓球赛important重要的receive得到light灯goout熄灭goonwith继续=continue