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Mathematic 5:Pre-Algebra-The Rules for Using Sign Numbers - Practice Exercises # GS B900

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

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Expain the Rule: What do we do "when adding numbers of the "same" sign?When adding numbers of the "same" sign, "we keep the sign and add."
Expain the Rule: What do we do "when adding numbers of "different" signs?Whan adding numbers of "different" signs, we "keep the sign of the larger number and substract."
Expain the Rule: What do we do "when multiplying numbers of the "same" sign?When multiplying numbers of the "same" sign, we make "the answer always positive."
Expain the Rule: What do we do "when multiplying numbers of "different" signs?When multiplying numbers of "different" signs, we make "the answer always negative."
Expain the Rule: What do we do "when dividing numbers of the "same" sign?When dividing numbers of the "same" sign, we make "the answer always positive."
Expain the Rule: What do we do "when dividing numbers of "different" signs?"When dividing numbers of "different" signs, we make "the answer always negative."


The Learning and Tutoring Center, Inc.
Saint Petersburg, FL

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