Imagine you were given the chance to win some money... and imagine you had nothing to lose...
Can you find the values at the vertices when you know the values on the edges?
How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?
Here is a machine with four coloured lights. Can you make two lights switch on at once? Three lights? All four lights?
Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?
Match the cumulative frequency curves with their corresponding box plots.
A mother wants to share some money by giving each child in turn a lump sum plus a fraction of the remainder. How can she do this to share the money out equally?
Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?
Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs?
How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?
