Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers - Lesson XXI: Multiplication of Rational Numbers; Modern Learning Aids; A Brief Course in Mathematics for Elementary School Teachers; Lesson XXI: Multiplication of Rational Numbers

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  • Title Card: A Brief Course in Mathematics for Elementary School Teachers
  • Title Card: XXI Multiplication of Rational Numbers
  • Title Card: Stewart Moredock
  • Summary of Adding and Subtracting Rational Numbers with Fractions with Same Denominator
  • Developing Equivalent Fractions
  • Definition of Multiplying Rational Numbers
  • Development of Multiplication Problem on the Number Line
  • Special Cases
  • Summary of Properties of Multiplication
  • Title Card: Credits XXI Multiplication of Rational Numbers
  • 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