Repasamos los números jugando

http://www.mes-games.com/numbers20.php
http://www.lcfclubs.com/englishzone/practicezone/flashEN/03Ememory20.swf

http://www.bradleys-english-school.com/online/concentration/num11220.html

http://scoop.samlaget.no/_upl/skolebok/scoop/numbers-connect-0-20/numbers-connect-0-20.html