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See how the motion of the simple pendulum is not-so-simple after all.

An old game with lots of arithmetic!

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

Which line graph, equations and physical processes go together?

Draw some quadrilaterals on a 9-point circle and work out the angles. Is there a theorem?

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

Will you play the nice or nasty version of this dice game?

What is the smallest number of answers you need to reveal in order to work out the missing headers?

Complete the magic square using the numbers 1 to 25 once each. Each row, column and diagonal adds up to 65.