These seven triangle puzzles review some of the key math terms and skills needed to succeed in Middle School Expressions and Equations. The puzzles include: Expressions, Expressions (with negative variable values), Solving Equations, Function Tables, Function Graphs, Distributive Property & Linear Systems. Five other collections of Triangle Puzzles for Middle School Math are available in My TpT Store, along with Unit Quizzes, Unit Tests and PreTests, and great online interactivities -- Check