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Multiplication and Division of Integers

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Multiplication and Division of Integers Here s a way I can Remember! To remember whether your answer will be positive or negative when MULTIPLYING or DIVIDING, we ... – PowerPoint PPT presentation

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Title: Multiplication and Division of Integers


1
Multiplication and Division of Integers
2
Heres a way I can Remember!
  • To remember whether your answer will be positive
    or negative when MULTIPLYING or DIVIDING, well
    use

Mr. Multiplivision
3
When multiplying Integers, cover the Two signs
you are using
What sign is left uncovered?
Ex. 5 (-3)
Negative, - That is the sign of The answer
-15
4
Division
Its not any different!
Good News
Ex. -48 ? (-4)
12
5
Reminder
  • Equal means it works both ways!

?
6
Rule 4
  • The product or quotient of two integers with the
    same sign is positive.

7
(No Transcript)
8
(No Transcript)
9
Rule 5
  • The product or quotient of two integers with
    DIFFERENT signs is negative.

10
  • (4)(-7) ? 2
  • First, (4)(-7)
  • - 28
  • Finish it! (-28)?2

Answer -14
11
-4
(-56 ? -7) ? - 2
210
5 ? -7 ? -6
- 135
12
10
-1000 ?(-100)
-48
-2 ? -4 ? -6
15
13
(No Transcript)
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