Which of the following cubes can be made from these nets?

Learn how to use lookup functions to create exciting interactive Excel spreadsheets.

A simple file for the Interactive whiteboard or PC screen, demonstrating equivalent fractions.

Take any whole number between 1 and 999, add the squares of the digits to get a new number. Use a spreadsheet to investigate this sequence.

What is the volume of the solid formed by rotating this right angled triangle about the hypotenuse?

Label the joints and legs of these graph theory caterpillars so that the vertex sums are all equal.

You add 1 to the golden ratio to get its square. How do you find higher powers?

Investigate the family of graphs given by the equation x^3+y^3=3axy for different values of the constant a.