Explore when it is possible to construct a circle which just touches all four sides of a quadrilateral.
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
Two boats travel up and down a lake. Can you picture where they will cross if you know how fast each boat is travelling?
Have a go at creating these images based on circles. What do you notice about the areas of the different sections?
Various solids are lowered into a beaker of water. How does the water level rise in each case?
Each clue in this Sudoku is the product of the two numbers in adjacent cells.
Was it possible that this dangerous driving penalty was issued in error?
