Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated, that is all 4 colours appear.
Draw a square. A second square of the same size slides around the
first always maintaining contact and keeping the same orientation.
How far does the dot travel?
Paving Paths
Age 11 to 14 Challenge Level
How many different ways can I lay 10 paving slabs, each 2 foot
by 1 foot, to make a path 2 foot wide and 10 foot long from my back
door into my garden, without cutting any of the paving slabs?