Math Triangles cover the basic facts, making practice almost fun once a student sees how few cards it takes to master addition and subtraction for 1-12 or 13-20 and/or multiplication and division 1-12s. That’s because Math Triangles address the commutative property of numbers. Each card represents 4 possible problems:
![](http://paddyeger.com/blog/educatingamericablog/wp-content/uploads/sites/4/2023/08/Triangle-Cards-2-1024x246.png)