Mental Addition and Subtraction [efilm]
2015
Streaming Video
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.
Main title:
Author:
Imprint:
[San Francisco, California, USA] : Kanopy Streaming, 2015.
Collation:
1 online resource (streaming video file)
Notes:
Title from title frames.In Process Record.Originally produced by The Teaching Company/The Great Courses in 2011.In English
Performers:
Features: Arthur T. Benjamin Ph.D., Johns Hopkins University
System details:
Mode of access: World Wide Web.
Language:
Undetermined
Subject:
Index terms:
Mathematics
BRN:
497088
Electronic access: