The Magic Birthday Forcing Matrix


Forcing Matrix


This is the first time anything like this has been made available to the teaching community! See this page for details!

Comes with full video and printable written instructions.

Now you can send a personalised grid to your friends. They pick four numbers at random – and they will add up to their age!

Simple to use, no maths required, and even comes with two versions: automatic and self-select.


For a low, low price, you receive:

  • The Matrix spreadsheet
  • Video Instructions
  • Printable Instructions
  • Ptintable Game Sheet to ‘explain’ to spectators how to play – does not give away the secret!

For full details of how to use this unique resource, check out this page (coming soon).


There are no reviews yet.

Be the first to review “The Magic Birthday Forcing Matrix”