There are to be 6 homes built on a new development site. They could
be semi-detached, detached or terraced houses. How many different
combinations of these can you find?
Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Josh from Befordshire says:
There are six combinations possible. Because there are three
different numbers, you multiply $3$ by $2$ and then by $1$, which
I think the answer is six combinations and how I did it was I
wrote down all the correct combinations:
Jianmin (Henry Park Primary, Singapore) agrees
with six combinations, using $3$ x $2$ x $1$.