Follow the clues to find the mystery number.
What do the digits in the number fifteen add up to? How many other
numbers have digits with the same total but no zeros?
A church hymn book contains 700 hymns. The numbers of the hymns are
displayed by combining special small single-digit boards. What is
the minimum number of small boards that is needed?
This game is for you to play against the computer. However, you
could easily use your own calculators and adapt it to play away
from a computer.
The object of the game is to be the first to get exactly to
How to play: