This is a cool two-player geometry game with lots of strategy involved. You’ll need paper and two different colored markers or crayons. The object is not to draw a triangle (or to force your opponent to draw one). Take a look at the video to see how it works.
Download Student Worksheet & Exercises
Do you see how it takes some strategy to keep from making a triangle? With some practice, you can get really good at this game by learning to plan ahead and block your partner. Give it a try, it’s really fun!
Exercises
- What is a triangle?
- What is the name of the largest figure that can be generated when the six dots in the lesson are connected to each other?
How many triangles would the player with the faint pen make in the figures below?
| 3 |  |
4 |  |
5 |  |
6 |  |
What is wrong with the player with the thick ink pen making the following moves (If there are triangles made, identify the number?)
| 7 |  |
8 |  |
9 |  |
- Identify the name of the largest quadrilateral made by the player with the thick ink pen in the diagram below.
