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  • GENERAL INFORMATION
    • Title:
      An Introduction To Solving And Graphing Inequalities  

       
      Resource ID: 7034
      URL: http://www.nsa.gov/academia/_files/collected_learning/middle_school/pre-algebra/intro_solving_graph_inequal.pdf
      Resource Description: This is a three-day unit on solving one-step and two-step inequalities. The lessons include identifying and graphing various inequalities. Students are expected to have previous knowledge of inequality symbols and solving one-step and two-step equations.
      Instructional Component Type(s): Unit / Lesson Sequence (Primary Type), Worksheet
      Keywords: inequality, two-step equation, one-step equation, inequality graph, two-step inequality, one-step inequality,
      Intended Audience: Educators, Students
      Suggested Technology: Overhead Projector
      Public Remarks: By Author/Submitter
      Lesson 2 Student Application II (pg. 4):
      Students are supposed to use "Activity Dice", which could easily be created by the teacher. Just print the net of a cube four times per group of students (e.g. from http://gwydir.demon.co.uk/jo/solid/cube.htm#cubenet) and label all faces of each cube with either math operations (e.g. addition), positive or negative integers, or letters of the alphabet.

      Correction of typo: The two examples in Student Application II (pg. 4) should be inequalities instead of equations.

      Corrections to answer keys: 
      • Lesson 3, Graphing Inequalities (pg. 28):
        #3.  a > 10 and
        #8.  p> -8
      • Solving Inequalities with Multiple Operations Worksheet (pg. 30):
        #4.  x> -10, but the graph is correct.

      Resource Collection: CPALMS

  • RELATED STANDARDS (1)
    •
      »  MA.8.A.4.2: Solve and graph one- and two-step inequalities in one variable.
          Cognitive Complexity: Moderate     l Date Adopted or Revised: 09/07        
          Belongs to: Algebra


  • RELATED ACCESS POINTS (2)
    • » MA.8.A.4.In.b: Translate real-world problem situations into number sentences (equations and inequalities) involving addition, subtraction, and multiplication using visual models, tables, and graphs.
      » MA.8.A.4.Su.b: Translate real-world problem situations into number sentences (equations) involving addition and subtraction of one-digit and two-digit numbers using physical and visual models and tables.

  • PEDAGOGY
    • Subject: NGSSS: Mathematics
      Grade Level(s): 8
      Nature of Instruction: Direct Instruction
      Instructional Time: 3 Hour(s) 30 minute(s)


  • SOURCE & ACCESS INFORMATION
    • Name of Author/Source: National Security Agency Central Security Service
      Resource recommended by: Susan Cornwell
      Web Address of Author/Source: http://www.nsa.gov/
      Is this Resource freely Available? Yes
      Access Privileges: Public

* Please note that examples of resources are not intended as complete curriculum.

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