With your randomly assigned partner, please go to the designated whiteboard, and discuss this problem!
NOTE
Use these rules (or protocol) for your discussion:
- Only one person may have a marker within a group of two.
- The person who is holding a marker cannot talk.
Here is the problem:

SOLUTION
Here is one explanation of the solution:
At the start of the solution to this question, what move did the mathematician make, even if it did not lead immediately to the solution to the question?
This connects to WDYDWYDKWTD – what do you do when you don’t know what to do?
TIP
You just completed the third question of the 2023 edition of the Canadian Intermediate Mathematics Contest. If you didn’t sign up in the last class, but think you’d like to try writing this contest, speak to Mr. Gordon. A few extra spots are available.
