GCSE Maths (Edexcel)

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Multiplying & Dividing Negative Numbers

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Number Structure and Calculation

Multiplying & Dividing Negative Numbers

5:44 Working with Negative Numbers
Spec N2
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  • The sign of the result of a multiplication or division depends on the signs of the two original numbers.
  • When multiplying or dividing two numbers with the same sign, the answer will always be positive.
  • When multiplying or dividing two numbers with opposite signs, the answer will always be negative.
  • Positive number times positive number equals positive.
  • Negative number times negative number equals positive.
  • Positive number divided by positive number equals positive.
  • Negative number divided by negative number equals positive.
  • Positive number times negative number equals negative.
  • Negative number times positive number equals negative.
  • Positive number divided by negative number equals negative.
  • Negative number divided by positive number equals negative.
  • The sign rules can be understood by looking at multiplication as repeated addition.
  • The rules can be explained using examples of multiplication and division.

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