This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
Can you place these quantities in order from smallest to largest?
What is the same?
What is different?
How do you know that you have them all?
You might like to print off this sheet of equilateral triangles and cut them out.