An 80-page resource provides four lessons and all associated worksheets to teach middle schoolers about expressions and equations. The lessons are hands-on, using games, "integer chips," a balance and cubes, and cut and paste activities....

Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...

Students explore algebraic concepts using real life situations.  In this equations lesson plan, students develop strategies to solve missing number problems. Students participate in a board game based on algebraic equations.

Students use math to solve encrypted messages.