Exercise 1
http://www.vedoque.com/juegos/juego.php?j=vedoque-one-chicken&l=en
Exercise 2
http://www.angles365.com/classroom/fitxers/infantil/memorynumbers.swf
Exercise 3
http://www.angles365.com/classroom/fitxers/infantil/numbers/dognumbers.swf
Exercise 4
http://www.angles365.com/classroom/fitxers/1r2n/numbers/numbers02.swf
Exercise5
http://www.angles365.com/classroom/fitxers/1r2n/numbers/numbers05.swf
Exercise 6
http://www.angles365.com/classroom/fitxers/1r2n/numbers/numbers06.swf
Exercise7
http://www.angles365.com/classroom/fitxers/1r2n/numbers/cinumbers04.swf
Exercise 8
http://www.sheppardsoftware.com/preschool/ngames/numbers.htm
http://www.primarygames.com/math/fishycount/