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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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