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Lesson 8.2. Integer Multiplication pp. 293-299. Multiplication Rules. Multiplication Rules. (-)(-)= + neg X neg = positive (-7)(-3) = +21. Multiplication Rules. (+)(+)= pos X pos = positive (7)(3)=21. Multiplication Rules. (-)(+)= neg X pos = negative

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Lesson 8 2

Lesson 8.2

Integer Multiplication

pp. 293-299



Multiplication rules1
Multiplication Rules

  • (-)(-)= + neg X neg = positive

  • (-7)(-3) = +21


Multiplication rules2
Multiplication Rules

  • (+)(+)= pos X pos = positive

  • (7)(3)=21


Multiplication rules3
Multiplication Rules

  • (-)(+)= neg X pos = negative

  • (-7)(3)= -21


Multiplication rules4
Multiplication Rules

  • (+)(-)= pos X neg = negative

  • (7)(-3) = -21


Multiplication rules5
Multiplication Rules

  • Brackets must always be closed (like in LA)

  • Brackets together means multiply


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Assignment

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