Mental Addition and Subtraction
Type
Label
Mental Addition and Subtraction
Characteristic
videorecording
Main title
Mental Addition and Subtraction
Oclc number
921961042
resource.otherEventInformation
Originally produced by The Teaching Company/The Great Courses in 2011
Runtime
31
Summary
Professor Benjamin demonstrates how easily you can mentally add and subtract one-, two-, and three-digit numbers. He also shows you shortcuts using the complement of a number (its distance from 100 or 1000) and demonstrates the uses of mental addition and subtraction for quickly counting calories and making change
Technique
live action
Contributor
Subject
Content
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Outgoing Resources
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