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Multiplying Signed Numbers: Multiplying Negative Numbers by Positive Numbers

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Abstract
This clip explains that, as when multiplying whole numbers, we can re-arrange the factors as much as we like when multiplying signed numbers. This enables us to solve multiplication problems in which the first factor is negative and the second positive. For example, negative 3 times 5 initially might sound confusing, because, "...there's no such thing as 'negative 3 times'." But when we re-arrange the factors, the problem becomes 5 times negative 3 and this, of course, is negative 15.
Collection
ModuMath Collection
Subject
multiplying, multiplication, signs, signed numbers, positives, positive numbers, negatives, negative numbers, adding, addition, repeated addition, whole numbers, factors, Multiplying Signed Numbers
Series
Developmental Math, Remedial Math, Basic Arithmetic, Business Math Business Math, Basic Math
Contributors
INTELECOM Intelligent Telecommunications (Firm)
Duration
00:01:48 (HH:MM:SS)
Language:
English
Copyright Holder
Name INTELECOM Intelligent Telecommunications
RoleDistributor
Telephone800-576-2988 x122
Address150 E. Colorado Blvd. Ste. 300, Pasadena, CA 91105
Email[email protected]
Rights Declaration:
This video is protected by copyright. You are free to view it but not download or remix it. Please contact the depositing institution for further information about how you may use this video.
Persistent/Share URL
https://54098.surd9.group/show.php?pid=njcore:22296
Basic LTI parameter
pid=njcore:22296
PID
njcore:22296
Metadata
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