Working systematically
-
-
problemCrazy Cannons
Two cannons are fired at one another and the cannonballs collide... what can you deduce?
-
problemA Very Shiny Nose?
This problem explores the biology behind Rudolph's glowing red nose, and introduces the real life phenomena of bacterial quorum sensing.
-
-
problemSpread
Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?
-
problemTowards Maclaurin
Build series for the sine and cosine functions by adding one term at a time, alternately making the approximation too big then too small but getting ever closer.
-
problemStage 5 Cipher Challenge
Can you crack these very difficult challenge ciphers? How might you systematise the cracking of unknown ciphers?
-
problemInterpolating Polynomials
Given a set of points (x,y) with distinct x values, find a polynomial that goes through all of them, then prove some results about the existence and uniqueness of these polynomials.
-
articleLatin Squares
A Latin square of order n is an array of n symbols in which each symbol occurs exactly once in each row and exactly once in each column. -
articleAn Introduction to Magic Squares
Find out about Magic Squares in this article written for students. Why are they magic?!