A task which depends on members of the group working collaboratively to reach a single goal.
Here are four cubes joined together. How many other arrangements of four cubes can you find? Can you draw them on dotty paper?
Imagine a pyramid which is built in square layers of small cubes. If we number the cubes from the top, starting with 1, can you picture which cubes are directly below this first cube?
In this town, houses are built with one room for each person. There are some families of seven people living in the town. In how many different ways can they build their houses?
