Activity
Ministry of Education and Employment of Spain

Red Escolar: Problemas De Holmes 2002

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2006

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2003

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2004

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Interactive
ABCya

Ab Cya: Mystic Numbers

For Students 3rd - 5th
Enter the Mystical Temple and discover hidden treasure by placing the number orbs in the correct spots on the pedestal. Great addition skills are essential in this exciting math puzzle game. Give it a try!