List

Number Patterns and Infinity

Magic Letters
problem

Magic Letters

Age
11 to 16
Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?
Odds, Evens and More Evens
problem

Odds, Evens and More Evens

Age
11 to 16
Alison, Bernard and Charlie have been exploring sequences of odd and even numbers, which raise some intriguing questions...
Pairwise Puzzler
problem

Pairwise Puzzler

Age
11 to 16
I thought of 4 numbers - can you figure them out from 6 clues? Can you figure out 5 numbers from 10 clues? 6 numbers from 15 clues...
Mystic Rose
problem

Mystic Rose

Age
11 to 16
Watch the animation to see how to draw a mystic rose. Can you work out how many lines would be needed for roses of different sizes?