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Pre-Algebra: Rules of Signs #mp 1

The Learning and Tutoring Center, Inc. Suite C-201 6798 Crosswinds Drive, North Saint Petersburg, Florida 33710

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What is the rule when adding numbers with the same sign?The rule is you keep the sign and add. Example #1: 8 + 6 = 14; Example #2: -7-8 = -15
What is the rule when adding numbers with different sign?The rule is you keep the sign of the"bigger number" and then "subtract" the bigger number from the smaller number.
What is the rule when multiplying numbers with the same sign?The rule is the answer will always be "positive".
What is the rule when multiplying numbers with the different signs?The rule is the answer will always be "negative".
What is the rule when dividing numbers with the same sign?The rule is the answer will always be "positive".
What is the rule when dividing numbers with the different signs?The rule is the answer will always be "positive".
Simplify: -(-1/5)Answer: 1/5
Simplify: -(2/3)Answer: -2/3
Simplify: (1/2)Answer: 1/2
Simplify: (-4/5)Answer: -4/5

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