Climbing the Stairs

There are lots of ways to climb a staircase, taking one or two steps at a time. Explore this and related problems, and find out about some special number sequences.

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13 Steps

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.

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Feeding the Meter

I wonder if there's a different way of feeding the car park machine for each day of the year... and what's it got to do with climbing stairs?

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Giant Steps

Is there a quick way to work out the number of different ways to go up staircases if I can take giant steps?

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Recurrent chaos

Explore how repeating simple calculations can quickly lead to chaos.

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Meet a Mathematician - Fibonacci

Meet the man behind the Fibonacci sequence

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Fibonacci and bees

Discover some of the surprising places you'll find the Fibonacci sequence