Find the sum of this series of surds.
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
There are many different methods to solve this geometrical problem - how many can you find?
Can you work out the equations of the trig graphs I used to make my pattern?
Do you have enough information to work out the area of the shaded quadrilateral?
Does it make any difference how we write powers of powers?
Investigate the family of graphs given by the equation x^3+y^3=3axy for different values of the constant a.
Here's a very elementary code that requires young children to read a table, and look for similarities and differences.
Investigate what happens when you add house numbers along a street in different ways.
