In this third of five articles we prove that whatever whole number we start with for the Happy Number sequence we will always end up with some set of numbers being repeated over and over again.
2 out of 3
Weekly Problem 43 - 2017
The diagram shows a semicircle inscribed in a right angled triangle. What is the radius of the semicircle?
How can teachers stimulate and engage highly able mathematicians in school
Children use everyday language to talk about time, to compare quantities and to solve problems
1 out of 3
How many different lengths is it possible to measure with a set of three rods?
1 out of 3
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
1 out of 3
Can you put these four calculations into order of difficulty? How did you decide?
