Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
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 can Agent X transmit data on a faulty line and be sure that her message will get through?
Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?
A hexagon, with sides alternately a and b units in length, is inscribed in a circle. How big is the radius of the circle?
Use the differences to find the solution to this Sudoku.
Can you work out which spinners were used to generate the frequency charts?
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
Can you tangle yourself up and reach any fraction?
