This is a lesson plan designed around a word problem. A word problem provides two points that students must recognize as ordered pairs in a linear relationship and use this information to predict a future point in the relation. Students must be able to interpret the word problem and find slope from the two points. The lesson plan offers three different approaches to solving the problem. These can be used differently based on the level of students in a class. One recommendation is to group students and have each group solve the problem using a different approach and be able to explain to the class. You may also want students to use each approach themselves and determine how each may work best in different situations.
Microsoft Word version: 912Algebra_REI_LinearEquations_LessonPlan
PDF version: 912Algebra_REI_LinearEquations_LessonPlan