List

Freedom and Constraints

13 Steps
problem

13 Steps

Age
11 to 16
I wonder if there's a different way to climb 13 steps for each day of the year... Solving this problem might lead you to a famous number sequence.
Measuring with Rods
problem

Measuring with Rods

Age
11 to 16
How many different lengths is it possible to measure with a set of three rods? Explore this problem, and make some discoveries about number bases.
Cinema Sweets
problem

Cinema Sweets

Age
11 to 16
Charlie has 3 coins in his pocket that add up to 32p - what could they be? Come and explore this and other exciting questions about the maths of partitioning.
Heavy Pockets
problem

Heavy Pockets

Age
11 to 16
In a world with just pennies, your purse or pockets would be very heavy. Two-coin systems make life much easier... Which coins would you choose?