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أدلة الدراسة > Prealgebra

Summary: Multiplying and Dividing Integers

Key Concepts

  • Multiplication of Signed Numbers
    • To determine the sign of the product of two signed numbers:
      Same Signs Product
      Two positives Two negatives Positive Positive
      Different Signs Product
      Positive • negative Negative • positive Negative Negative
  • Division of Signed Numbers
    • To determine the sign of the quotient of two signed numbers:
      Same Signs Quotient
      Two positives Two negatives Positive Positive
      Different Signs Quotient
      Positive • negative Negative • Positive Negative Negative
  • Multiplication by 1-1
    • Multiplying a number by 1-1 gives its opposite: 1(a)=a-1(a)=-a
  • Division by 1-1
    • Dividing a number by 1-1 gives its opposite: a÷(1)=aa\div(-1)=-a
ACCESS ADDITIONAL ONLINE RESOURCES
  • Multiplying Integers Using Color Counters
  • Multiplying Integers Using Color Counters With Neutral Pairs
  • Multiplying Integers Basics
  • Dividing Integers Basics
  • Ex. Dividing Integers
  • Multiplying and Dividing Signed Numbers

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