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?
Remember you had to use each digit once and
once only in this problem - we had quite a few solutions which
didn't stick to this rule unfortunately.
Jennifer and Lauren from Echline Primary
School told us:
Matthew from Maidstone Grammar School had a
different set of numbers:
Ellie from Strand-on-the-Green
Junior School sent another set of numbers:
It looks to me as if Matthew's numbers are
closer to their 'ideal' numbers than Jennifer and Lauren's,
perhaps. How about comparing Ellie's with Matthew's?
What do you think?