Look here for Maths games & activities!
Don’t wait until Secondary School to learn about physics:
Battleships:
http://www.gamezarena.com/kids/games/battleship/
http://www.learn4good.com/games/board/battleship.htm
Variety:
http://www.coolmath-games.com/
Fraction Fun:
http://www.mathplayground.com/Decention/Decention.html