The South African Mathematics Olympiad (SAMO) is the official national mathematics competition of the country. It is a three round competition with interesting questions and nice prizes. The three rounds take place in March, May and September of each year.
Question papers and solutions of the last few years are available on this web site. The names of each year's individual prize winners and our committee members are also posted.
The Middle School Portal 2: Math and Science Pathways project (MSP2) is a component of the National Science Digital Library (NSDL) that supports middle school educators and youth by offering contextualized, high-quality resources and promotes interactivity, collaboration, and knowledge-sharing among its users. Educators can access MSP2 to increase content knowledge in the areas of science, mathematics, and technology, and to build knowledge on developmentally appropriate pedagogy for youth aged 10 to 15. MSP2 also connects middle school youth to fun and engaging information on math, science, and technology, as well as health, safety, and career exploration. Web tools such as blogs, wikis, podcasts, RSS feeds, and social networking services are being used in the continued development of MSP2 to transform passive, text-based information into a dynamic, collaborative experience that promotes the creation, modification, and sharing of resources, and facilitates professional development. MSP2 is a project of The Ohio State University, National Middle School Association, and Education Development Center, Inc., and is funded by the National Science Foundation.
Have a look at other cooperative games ideas, I think they are really interesting and could be applied in MFL teaching, especially the "Name Ball" game.
Calculation Nation is a mathematics game site offering games for most K-12 students. Calculation Nation offers students the opportunity to practice their mathematics skills individually or in a head-to-head format playing against other students. For parents and teachers, Calculation Nation offers PDF suggestions for using Calculation Nation.
This is a collection of interactive lessons from a Grade 4 Math course developed by Winpossible - the course uses an innovative instruction format by combining an engaging animated character's visual and voice with Winpossible's unique ChalkTalk™ technology (patent pending) in order to replicate the "classroom experience" for students. The course matches with the Grade 4 correlations of most states in the US.