More from Chalkdust
What’s hot and what’s not, Issue 15
Fashion is fleeting, Chalkdust regulars are not.Prize crossnumber, Issue 11
£100 of MathsGear goodies to be won if you can solve itStriking the right chord
How big are these random shapes? Submit an answer for a chance to win a prize!The digital sum of the products of twin primes is 8?
What connects the products of twin primes with something you learnt in primary school and the number 8?Crossnumber winners, issue 04
Are you a winner?Donald in Mathmagic Land
Donald Duck learns that there is “a lot more to mathematics than two-times-two”.