Sam, Ben from Matthew Arnold School, and
Rohaan from Long Bay Primary School in New Zealand all noticed that
you can make a rectangle using any number of dominoes. Here is what
It is possible to make a rectangle with any number of dominoes. You
simply lay them end to end so that the resulting rectangle gets
longer and longer.
Of course, there are lots of more
interesting ways to make rectangles; why not try to find some? You
might also like to look at the related problem Fault-free Rectangles .