MONICA MIGUEL VILLEGAS
PRIMERO 1

http://www.youtube.com/results?search_query=aprender+a+sumar+

http://www.youtube.com/watch?v=TsPTpfnwOYA

https://docs.google.com/document/d/1SYLTznb0RgQchy4BHs2jMEvHpmlBx3Wsm7UcpSnNoxs/edit

https://docs.google.com/document/d/1R0cLPeHIQr2hqRVpD1aXUddT-ZQ77hlBjv8k2whHBaQ/edit?pli=1

https://docs.google.com/document/d/1wDGyRWnVZ2Ba3FRt58VfvkZjdLY-gVOlALrgkbaM8zY/edit