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?
Thank you to all those of you who submitted
solutions to Becky's Number Plumber problem.
Joshua sent us a particulary well-explained
Matthew and Hannah from Stanbridge point out
Well done too to the following who sent in
Velina, Ben, Emily, Max, Alex, Matthew, Lucy,
Paige and Ross from Ickford Combined School
Jasper, George, James and Ed from St Peter's
Maya, Marlee, Ethan, Joshua, Samara and Taylor
from Sylvan Park.
I wonder whether anyone found any numbers that
work in a similar way? Do let us know if you've
discovered something interesting.