Cuarto año :Números Decimales

https://www.youtube.com/watch?v=rq5DrBJVwuM&t=18s

https://www.youtube.com/watch?v=fae6X1jg3nE&t=15s

https://www.youtube.com/watch?v=2LdL-ByhFYk

https://www.youtube.com/watch?v=o4i5yX2IG_Y&t=17s

https://www.youtube.com/watch?v=xFHB1DRmY08


https://www.youtube.com/watch?v=NZepvE_T2Co



http://2633518-0.web-hosting.es/blog/manipulables/fraccdecimal/menufracc.html

https://www.youtube.com/watch?v=_DH4b774Xhk

https://www.youtube.com/watch?v=BO1NeHW8AeI

https://www.youtube.com/watch?v=Jq_K7740WLk&t=266s