Buy this Mathematicians have Great Powers PiFactory tee-shirt JO BOALER’s research into what works and what doesn’t inside a math classroom has gone a lot further than just watching, literally, hundreds of math classes. She has tracked down the pupils...

Buy this Sierpinski triangle design on a PiFactory tee-shirt “WHEN will I need any of this in real life?” is such a common question in a math classroom that it is a cliché. At one level it is a tried and tested way to stop a lesson. At another...

Buy this Homage to a Square PiFactory tee-shirt WE’D LOOKED at the sequence generated when you take a hexagon and steadily add more hexagons. It gives a linear rule. Some students got this easily, others found it challenging. For 20 minutes the task...

Buy this Mathematicians have Great Powers PiFactory tee-shirt THERE are 35 players standing in a circle. As the games wizard walks round the circle she kills every second player until only player survives. The players are numbered one through 35....

Buy this Persian Geometry design on a PiFactory tee-shirt THE PRINCIPAL of my school has bravely initiated a discussion about whether or not D and F grades should be used by teachers. The argument goes along the lines if D and F grades are ditched...