WaterFestival------Watergamejugbowlcupjug---大罐contain---包含，容纳aml=millilitre(s)毫米Whenthejugisfull,itcontains100millilitresofwater.Howmanymillilitresofwaterdoesthejugcontainwhenitisfull?•Theplayershavetoget80millilitresofwaterinthejugbypouringwateramongthejug,thebowlandthecup.•Theplayersmustpourallthewaterintoanotherobject.Theymuststoppouringwaterwhenthatobjectisfull.100ml-50ml=50ml100mlminus50mlequals50ml-minus减=equal等于bHowmanymillilitresofwaterarethereinthebowl?cHowmanymillilitresofwaterarethereinthejug/cup?zero---零minus---减plus---加equal---等于15+30=4560-52=8介词动词12+12=2430-6=2412+12=30-6___+___=___-___11+52=6325+45=?70-52=1890-52=?•jug---大罐•millilitre(s)---毫升•while---一会儿•minus---减•plus---加•equal---等于•contain---包含，容纳•zero---零•Forawhile•Stoppouringwater•Amongthejug,thebowlandthecup•30minus30equalszero•100plus20equals120•Itsoundsdifficult.
