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1、第五课时,I see eleven boats.,How many boats do you see?,I see twelve cars.,How many cars do you see?,How many bags do you see?,I see thirteen bags.,How many balls do you see? I see fourteen balls,How many pens do you see?,I see fifteen pens.,16,sixteen,17,seventeen,18,eighteen,19,nineteen,20,twenty,sixt
2、een,eighteen,seventeen,nineteen,How many cars do you have?,twenty,We have twenty.,How many _do you have? How many _do you see? Can you count them with me?,eighteen,4+12= 13+2= 8+3=,Four and twelve makes sixteen,Thirteen and two makes fifteen,Eight and three makes eleven,7+6= 10+9= 12+5=,Ten and nine makes nineteen,Seven and six makes thirteen,Twelve and five makes seventeen,28= 45= 35=,Two times eight makes sixteen,Four times five makes twenty,Three times five makes fifteen,