Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers - Lesson VI: Addition and Subtraction; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson VI: Addition and Subtraction

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  • Title Card: A Brief Course in Mathematics for Elementary School Teachers
  • Title Card: VI Addition and Subtraction
  • Title Card: Stewart Moredock
  • Review of Union of Disjoint Sets and Addition of Whole Numbers
  • Review of Properties of Addition
  • Developing the Meaning of Subtraction
  • Subtraction in Terms of Removal
  • Inverse Operations
  • Examples
  • Using Addition and Subtraction in Solving Equations as Proofs
  • Is Subtraction Communicative or Associative?
  • Properties of Subtraction
  • Other Interpretations of Subtractions Using Sets Comparison Problems
  • Removal of a Subset
  • Addition of a Set
  • Summary of Properties of Subtraction
  • Title Cards: Credits VI Addition and Subtraction
  • A Brief Course in Mathematics for Elementary School Teachers
  • Produced by School Mathematics Study Group
  • With financial support from The National Science Foundation
  • Lecturer: Stewart Moredock, Sacramento State College Assistant: Jack Abad, San Francisco Unified School District
  • Live Camera Recording: W.A. Palmer Films, Inc. San Francisco