Videoak

http://www.youtube.com/user/juanmemol?v=LCOtVa5AbAk
http://www.youtube.com/watch?v=q7TFAjvJonc
http://www.youtube.com/watch?v=mRMOas3DHLA
http://www.youtube.com/watch?v=wzc6T9mAGHM
http://www.youtube.com/watch?v=ib-r1z_3w0g
http://www.youtube.com/watch?v=fGKwLzWgSg4http://www.youtube.com/watch?v=MrigZcB9N94
http://www.youtube.com/watch?v=q9AnWVjrB34
http://www.youtube.com/watch?v=gPprg2GmqqU
http://www.youtube.com/watch?v=GmKoGHGXv1k

Ariketak

http://www.vitutor.com/ejercicio.html

Ariketak

http://www.juntadeandalucia.es/averroes/recursos_informaticos/andared02/refuerzo_matematicas/indicemate.htm