After some matches were played, most of the information in the
table containing the results of the games was accidentally deleted.
What was the score in each match played?
There are exactly 3 ways to add 4 odd numbers to get 10. Find all
the ways of adding 8 odd numbers to get 20. To be sure of getting
all the solutions you will need to be systematic. What about a
total of 15 with 6 odd numbers?
Countries from across the world competed in a sports tournament. Can you devise an efficient strategy to work out the order in which they finished?
Using the 8 dominoes:
make a square where each of the columns and rows adds up to
How many possible solutions are there?
You may find our
Dominoes Environment useful for working on this problem.