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Subtracting Signed Numbers: Subtraction as Finding Missing Addends

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Abstract
This clip explains that subtraction can be looked at in either of two ways: having some quantity and taking away part of it, or finding the missing addend. "We have 4 dollars (and) we need 7. What must we add to 4 to get 7?" the clip asks. Because people sometimes get confused by the idea of taking away signed numbers, the clip states that, "...we'll approach subtraction chiefly as finding a missing addend."
Collection
ModuMath Collection
Subject
subtracting, subtraction, addends, missing addends, signed numbers, negatives, positives, number lines, minuends, subtrahends, Subtracting Signed Numbers
Series
Developmental Math, Remedial Math, Basic Arithmetic, Business Math Business Math, Basic Math
Contributors
INTELECOM Intelligent Telecommunications (Firm)
Duration
00:03:11 (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:22287
Basic LTI parameter
pid=njcore:22287
PID
njcore:22287
Metadata
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