This investigation explores using different shapes as the hands of
the clock. What things occur as the the hands move.
What are the coordinates of this shape after it has been
transformed in the ways described? Compare these with the original
coordinates. What do you notice about the numbers?
A shape and space game for 2,3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board. Play with card, or on the computer.
Many of you wrote to tell us that there were
six ways of posting the triangle into the shape sorter. JC
If you turn triangle A 120 degrees anticlockwise you get to
position C. If you then flip the triangle you get to