Amazing Math Trick Schools Don’t Teach – Egyptians/Russian Peasant Method

You can multiply two numbers if you know how to double, halve, and add up numbers. This is really interesting: basically the Egyptians were using binary multiplication! Watch the video to see how it works.

READ why this method works:

WATCH how ancient Egyptians divided numbers:

This method is documented in the Rind Mathematical Papyrus. The document is from ~1650 BC, which is more than 3,600 years ago.

Rind Mathematical Papyrus:

Here’s a book with more info about non-western mathematical history, “The Mathematics of Egypt, Mesopotamia, China, India, and Islam: A Sourcebook” :

If you like my videos, you can support me at Patreon:

Connect on social media. I update each site when I have a new video or blog post, so you can follow me on whichever method is most convenient for you.

My Blog:

Newsletter (sent about 2 times a year):

My Books

“The Joy of Game Theory” shows how you can use math to out-think your competition. (rated 4/5 stars on 23 reviews)

“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” is a handbook that explains the many ways we are biased about decision-making and offers techniques to make smart decisions. (rated 5/5 stars on 1 review)

“Math Puzzles Volume 1” features classic brain teasers and riddles with complete solutions for problems in counting, geometry, probability, and game theory. Volume 1 is rated 4.5/5 stars on 11 reviews.

“Math Puzzles Volume 2” is a sequel book with more great problems.

“Math Puzzles Volume 3” is the third in the series.

“40 Paradoxes in Logic, Probability, and Game Theory” contains thought-provoking and counter-intuitive results. (rated 4.9/5 stars on 7 reviews)

“The Best Mental Math Tricks” teaches how you can look like a math genius by solving problems in your head (rated 4.7/5 stars on 3 reviews)

“Multiply Numbers By Drawing Lines” This book is a reference guide for my video that has over 1 million views on a geometric method to multiply numbers. (rated 5/5 stars on 1 review)

Products You May Like

Articles You May Like

“Using technology to become almost superhuman” — The new digital divide. #shorts
Dealing Cards with Cryptography (with Ron Rivest) – Numberphile
Your Friday reading recommendation | 3/24/2023 #shorts
Eric Kandel: Unconscious Decision Making | Big Think

Leave a Reply

Your email address will not be published. Required fields are marked *