Skip to content

Tutorials from Gary DeVries

5 videos · 248K views

How to win connect 4 as second player

Gary DeVries123K views

How to calculate the volume of a cube-Math Tutorial.

Gary DeVries67K views

How to play connect four-best traps.

Gary DeVries48K views

How to play Sorry!

Gary DeVries10K views

How to calculate the perimeter of a square-tutorial

Gary DeVries241 views

Web Analytics