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4434Order of Operations StAIR
http://www.merlot.org/merlot/viewMaterial.htm?id=574467
This is a stand alone instructional resource created in PowerPoint and designed to teach students how to use the order of operations to simplify numerical and algebraic expressions. This lesson is intended for 8th or 9th grade Algebra 1 students, but could also be used with younger students to introduce order of operations or with older students to review the order of operations. Students should complete this lesson individually and at their own pace.Systems of Equations Lesson Plan
http://www.merlot.org/merlot/viewMaterial.htm?id=566623
This is a lesson plan for solving systems of linear equations to Algebra 1 students. Methods to be taught include substitution, elimination, and graphing. The lesson also includes the use of graphing calculators and spreadsheets to solve systems of equations. The lesson involves practice with real world application problems, as well as creation and presentation of original problems by students.