School Improvement in Maryland
Functions of Algebra
Linear Inequalities
 
Functions of Algebra   .
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Objectives
 
  • Students will use technology to graph and evaluate linear inequalities.
  • Students will write and manipulate inequalities for use on a graphing calculator.
  • Students will use knowledge of intercepts to analyze inequalities.
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Core Learning Goals
 
  • 1.2.2: The student will solve linear inequalities and describe the solution using numbers, symbols, and/or graphs.
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Drill
 
  • NONE
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materials
 
  • Student Worksheet
  • Extra Practice Problems
  • Answer Keys
  • Graphing calculators

    • .  Print Version: (Acrobat 94k)
    The print version contains all student worksheets and answer keys needed to complete the lesson.
     

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Calculator Skills
 
  • Entering and evaluating inequalities on a graphing calculator.
  • Using the trace and intercept capabilities of the calculator.
     
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activities
 
  1. Drill.
  2. Evaluating Inequalities Using the Calculator - Have students work in pairs to write an inequality for the given situation and solve the inequality in slope-intercept form.
  3. Exploration - Students will enter the inequality into the calculator to get an appropriate picture of the situation. Students will answer questions using the calculator and mathematical reasoning about the inequality.
  4. Class Discussion - Students will explain the mathematical knowledge used to answer various questions throughout the lesson.
  5. Additional problems - These problems are provided for you to use in any one of a variety of ways such as homework, an individual check for understanding, review, or quiz. They are provided at the end of the lesson.
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Assessment
 
  • Class discussion
     
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Homework
 
  • NONE
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Objective Objective Core Learning Goals Core Learning Goals Drill Drill Materials Materials Calculator Skills Calculator Skills Activities Activities Assessment Assessment Homework Homework