Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin
In this video, "Mathemagician" Arthur Benjamin demonstrates how to easily add and subtract one-, two-, and three-digit numbers in your head. He also teaches 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. If you like this video on mental math, check out all the other videos in our "Mental Math" playlist.
0:00 Intro
0:41 Adding One-Digit Numbers
1:40 Adding Two-Digit Numbers
5:10 Adding Three-Digit Numbers
11:20 Subtracting Two-Digit Numbers
14:50 Subtracting Three-Digit Numbers
18:23 Using Compliment Numbers
23:20 Using Three-Digit Compliment Numbers
25:00 Using Compliment Numbers to Make Change
28:43 Summary and Recap
Presented by Arthur Benjamin
Learn more about addition and subtraction at https://www.wondrium.com/youtube
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#MathTricks #Mathemagic #ArthurBenjamin
Видео Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin канала Wondrium
0:00 Intro
0:41 Adding One-Digit Numbers
1:40 Adding Two-Digit Numbers
5:10 Adding Three-Digit Numbers
11:20 Subtracting Two-Digit Numbers
14:50 Subtracting Three-Digit Numbers
18:23 Using Compliment Numbers
23:20 Using Three-Digit Compliment Numbers
25:00 Using Compliment Numbers to Make Change
28:43 Summary and Recap
Presented by Arthur Benjamin
Learn more about addition and subtraction at https://www.wondrium.com/youtube
-------------------------------------------
The Great Courses is the global leader in lifelong learning and our video-on-demand service The Great Courses Plus gives you unlimited, uninterrupted access to a world of learning anytime and anywhere you want it. With courses on thousands of topics, you are sure to find something that will ignite your curiosity and invigorate your passion for learning.
Enjoy a curated sampling of our full catalog of content by subscribing to our YouTube channel. We add new history, science, and math videos every week.
-------------------------------------------
Read articles from the smartest experts in their fields: https://www.Thegreatcoursesdaily.com
Find us on all our social channels:
-Facebook: https://www.facebook.com/wondrium
-Twitter: http://twitter.com/wondrium
-Instagram: https://www.instagram.com/wondrium
-------------------------------------------
#MathTricks #Mathemagic #ArthurBenjamin
Видео Mental Addition and Subtraction Tips — Math Tricks with Arthur Benjamin канала Wondrium
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