Included are two lesson plans:
Evaluating Expressions, Pt. I
This lesson plan is an introduction to evaluating algebraic expressions. The opening activity uses a sequence to introduce expressions. Students then evaluate expressions with different operations.
There is a worksheet with some basic expressions and then another worksheet for expressions with more steps.
Evaluating Expressions, Pt.II
This lesson contains expressions with two variables, exponents, parentheses, etc. This lesson also