Lessons
3.1	Using Variables to Describe Number Patterns The Jinx Puzzle
3.2	General Patterns (Two Variables)
3.3	Algebraic Expressions
3.4	Formulas
3.5	Formulas, Tables, and Graphs: Part 1 Ptomaine Fish Co. Decisions
3.6	A Science Experiment
3.7	Variables and Formulas in Spreadsheets: Part 1
3.8	Variables and Formulas in Spreadsheets: Part 2
3.9	Reading and Drawing Graphs Qualitative Graphs Shrinking Mississippi River Predicting Home Runs
3.10	Formulas, Tables, and Graphs: Part 2
3.11	Unit 3 Review and Assessment Make Change at the Boutique Solving Equations - with a balance beam.