北董小学常洁1
Wecanread:thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,giveout,allright
Wecanwrite:crayon,begin,floor
Wecanuse:There'soneonthefloor
Thereareonlynineteencrayons
ycornarolofnbiegcrayonfloorbegingiveout分发好,行allright1one112two123three134four145five156six167seven178eight189nine1910ten20eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwenty9+9=6+5=19-3=15-2=1+2+3+4+5=eighteenelevensixteenthirteenfifteen1
Thereareonlynineteencrayons
Buttherearetwentychildrenintheclass
There'soneonthefloor
Nowtherearetwenty-onecrayons
Answerthequestions:1
WhatdidMs
Smartbuyyesterday
HowmanycrayonsdidMs
Smartbuy
Howmanychildrenarethereintheclass
Didsheloseone
Sheboughtsomecrayonsyesterday
Therearetwentychildrenintheclass
Sheboughttwentycrayons
No,shedidn't