Can you make five differently sized squares from the tangram
Is there a best way to stack cans? What do different supermarkets
do? How high can you safely stack the cans?
What is the greatest number of squares you can make by overlapping
We have a box of solid shapes. In it there are cubes, triangular
prisms, cones, cuboids, cylinders and tetrahedrons.
Which of the buildings below would fall down if we tried to make
them? Which ones would be unstable and possibly collapse?