LESSON PLAN
MATH 514
Nancy Berkley
Nancy Chewning
Jack Kaniecki
Title of Lesson: Solving Compound Inequalities
Objective: To solve compound inequalities graphically and Algebraically.
To write solutions in set notation.
To use the graphing calculator to solve or verify solutions.
To understand the concepts necessary for solving absolute
value inequalities.
Correlating SOL: Algebra 2 SOL Objective 4: The student will solve absolute value equations and inequalities graphically and algebraically. The graphing calculator will be used as a primary method of solution and to verify algebraic solutions.
INSTRUCTIONS FOR IMPLEMENTING THE LESSON
Background Knowledge: How to solve inequalities in one variable
How to graph inequalities on a number line.
How to access functions on a graphing calculator.
Introductory Material: Worksheet on Sets and Venn diagrams, Review of Intersection and Union of Sets, the use of AND/OR connectors, and the terms DISJUNCTION and CONJUNCTION
Lesson Goals: Solve each part of the compound inequality sentence.
Graph each individual solution..
Determine a solution to the compound sentence by reflecting the appropriate union or intersection of the two sets.
Graph the solution and write in set notation.
Materials Needed: Fill in the blank Notes/Worksheets to record concepts that are formulated by the teacher and students together.
Assessment: Worksheet of 9 problems that reflect the goals of the lessons.
Vocabulary: Venn Diagrams Intersection
Union Disjunction
Conjunction Disjoint
Subsets
Technology: Graphing Calculator instructions and guided practice in solving/verifying solution to compound inequalities.
Teacher directed examples
Matching Activity that incorporates use of the calculator to find solutions.
Overhead Projector.
Home Flash Cards Algebra 1 Slope UPC Quiz Naging Assignment Final Cards Activities Multiply Matrix Lesson Plan Tables with x and y Values Investigating the Future with Money Money and Me Equalities Graphs Linear Interpolation Money and Real World Money and Payments Annual Median Income Second Reflection UPC Codes Education Level Analysis Function War Function Relationship Input and Output Proof Overview Card Activities Compound Inequalities Evaluation Algebra 1 Proof Function Lesson Plan Compound Inequalities with TI 83/84 Calculator Function War Rules Examples of UPC Codes First Reflection Naging 2 Algebra 2 Worksheet on Proofs Function PowerPoint 1 Function PowerPoint 2 Second Card Activity Third Card Activity Input and Output Cards Function Worksheet Function Cards 1 Function Cards 2 Function Cards 3 Function Cards 4 Function Cards 5 NAGing Lesson Plan
James Madison University
Department of Mathematics and Statistics
540-568-6184
fitzgewj@jmu.edu
www.math.jmu.edu
Dr. Jeanne Fitzgerald
Associate Professor of Mathematics
Department of Mathematics & Statistics
James Madison University
Harrisonburg, VA 22807
email: fitzgewj@jmu.edu
Telephone: 540-568-3802
This page was last updated 07/05/2007