Math

If you can slice a pizza, you can do math 🙂 James Tanton, March 2008 CMJ proof without words https://projects.ias.edu/pcmi/hstp/sum2016/morning/16short.pdf @MathVisualProofs short 0.999999… = 1 (using a circle) Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through

If x + 1/x = 5, what is sqrt(x) + 1/sqrt(x) = ? (For positive x) References https://brainly.in/question/20007269 https://byjus.com/question-answer/if-x-frac-1-x-5-then-sqrt-x-frac-1-sqrt-x-is-equal/ Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made

Rotate and reflect this magic square and it is still a magic square! Source https://www.umassmed.edu/bsrc/tricks/ Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an

What is 2 + 2×4 = ? Many people are having arguments about this problem. It’s time for the order of operations to save the day, again! #shorts #math #maths #mathematics BuzzFeed Math Problem Viral on Twitter https://www.buzzfeed.com/kristatorres/math-problem-twitter Claudius on Twitter idek what stresses me out more, the fact that 26% somehow got 13 or

From GMAT practice https://gmatclub.com/forum/which-of-the-following-fractions-is-closest-to-220300.html Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect

Mirror images of square numbers! Based on this graphic 👍👍 pic.twitter.com/vM9Osh3xiH — Matematickcom (@Matematickcom) December 6, 2019 Thanks to Nèstor Abad for tweeting it to me! https://twitter.com/nabadvin/status/1203279906857213953

Professor David Eisenbud on the famed Goldbach Conjecture. More links & stuff in full description below ↓↓↓ Catch David on the Numberphile podcast: https://youtu.be/9y1BGvnTyQA Extra footage from this interview: https://youtu.be/7D-YKPMWULA Prime Playlist: http://bit.ly/primevids Prime Number Theorem: https://youtu.be/l8ezziaEeNE Printing the largest known prime: https://youtu.be/tlpYjrbujG0 New Numberphile merchandise (buttons and mugs) now available — https://store.dftba.com/collections/numberphile Numberphile is

I wish I would have learned this in school. Credit for visual proof @tim_brzezinski Area of a circle #math #maths #mathtok #mathtiktok #tiktokmath #mathematics #geometry ♬ Drama (0.43) – NPMusic Rabbi Abraham bar Hiyya https://en.wikipedia.org/wiki/Abraham_bar_Hiyya https://commons.wikimedia.org/wiki/File:Avraam_ben_hiya_theorem.JPG Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I

T-shirt and poster details below. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ Featuring Neil Sloane from the OEIS: https://oeis.org And thanks to Jonathan Wild: https://www.mcgill.ca/music/jonathan-wild OEIS A250001 – Number of arrangements of n circles in the affine plane: https://oeis.org/A250001 3-Circles T-Shirt: https://teespring.com/three-circles-numberphile

Square any number ending in 5. Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does

This is a nice problem from Terry Stickels! What is root(7) percent of 4*root(7)? Books by Terry Stickels (including “Contemporary Brainteasers”) http://www.terrystickels.com/books.html percentage hack @JusticeShepard Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I

Audible 30-day free trial: http://www.audible.com/numberphile (sponsor) Tony Padilla discusses some of the shortest math papers to be published. From Conway to Nash. More links & stuff in full description below ↓↓↓ Support us on Patreon: http://www.patreon.com/numberphile NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Numberphile is supported by the Mathematical Sciences

Featuring Simon Pampena… Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor) More links & stuff in full description below ↓↓↓ More coin-related videos: http://bit.ly/coins_videos More videos with Simon Pampena: http://bit.ly/Pampena_Videos Simon on Twitter: https://twitter.com/mathemaniac Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science

From Reddit For first grade math… stressed my son out lol literally impossible byu/IndependenceLumpy294 inmildlyinfuriating Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an

This is a joke video about mathematical coincidences. It’s called anomalous cancellation. http://mathworld.wolfram.com/AnomalousCancellation.html http://www.pleacher.com/mp/probweek/p2004/a051704.html Fractions: Anomalous Cancellation Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon.

Matt Parker discusses multiplicative persistence. Check out Brilliant (get 20% off their premium service): https://brilliant.org/numberphile (sponsor) Extra footage: https://youtu.be/E4mrC39sEOQ Matt’s new book is Humble Pi: http://bit.ly/Humble_Pi More Matt videos on Numberphile: http://bit.ly/Matt_Videos The Multiplicative record holders: https://oeis.org/A003001 More info: http://mathworld.wolfram.com/MultiplicativePersistence.html Hear Matt on the Numberphile podcast… http://bit.ly/Numberphile_Pod_Playlist More links & stuff in full description below

Zsuzsanna Dancso trisects an angle using origami – follows on from this video about Euclidean geometry: http://youtu.be/6Lm9EHhbJAY More links & stuff in full description below ↓↓↓ Special thanks to the Patreon supporters listed below: Herschal Sanders (from Susan) Lê OK Merli Alex Bozzi Thomas J Petersen Spiked Math Filipe Junqueira Bill Shillito plusunim Micky Baeza

More on the math behind this: http://youtu.be/oYlB5lUGlbw Catch David on the Numberphile podcast: https://youtu.be/9y1BGvnTyQA More links & stuff in full description below ↓↓↓ Professor David Eisenbud – director of MSRI – on the amazing 17-gon and its link to Gauss. See end of this video for a bit MSRI’s address at 17 Gauss Way! Support

Thanks to Sara for the suggestion! #math #maths #mathematics #shorts Song name Navrai Majhi | from the movie English Vinglish Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases

Find the set of values of x for which 1/(x^2 + 2x – 3) is less than 0. #math #maths #mathematics Adapted from [High school mathmatics] help me solve this problem by inHomeworkHelp Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all

Multiplication trick! Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate I earn from qualifying purchases. This does not affect the price

This is inspired by an ancient discovery, the Tusi couple. References and credits http://www.cut-the-knot.org/pythagoras/Copernicus.shtml https://books.google.com/books?id=LuUlBQAAQBAJ&lpg=PA4&dq=Copernicus%27+Theorem&pg=PA5#v=onepage&q&f=false https://en.wikipedia.org/wiki/Tusi_couple

The number 1729 is “famous” among mathematicians. Why? More links & stuff in full description below ↓↓↓ Featuring Dr James Grime and Professor Roger Bowley. 1729 is known as the Hardy–Ramanujan number or “Taxi Cab Number”. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Patreon: http://www.patreon.com/numberphile Brady’s

This is a lifehack based on the famous missing square puzzle 😉 https://en.wikipedia.org/wiki/Missing_square_puzzle Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As an Amazon Associate

This is said to be one of the hardest GRE test questions. #math #maths #mathematics #shorts Sources https://gmatclub.com/forum/a-popular-website-requires-users-to-create-a-password-consis-105383.html 15 GRE Math Practice Questions with Explanations Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I

Featuring Gordon Hamilton from Math Pickle. More links & stuff in full description below ↓↓↓ Read more (including an update to optimal solutions since the video): http://www.bradyharanblog.com/blog/mondrian-art-puzzle Thanks also to Ed Pegg Jr. Knight’s Tour: https://youtu.be/ab_dY3dZFHM Support us on Patreon: http://www.patreon.com/numberphile Thanks to these Patreon supporters: Jeff Straathof Today I Found Out Peggy Youell Christian

Matt Henderson lets his plotter loose on Pi. This plotting extravaganza follows on from this earlier video: https://youtu.be/kMBj2fp52tA More links & stuff in full description below ↓↓↓ Matt Henderson on Twitter (he posts lovely animations there): https://twitter.com/matthen2 Matt Henderson Numberphile Playlist: https://bit.ly/MattHendersonPlaylist 36-degree Mona Merch: https://numberphile.creator-spring.com/listing/36-degree-mona-numberphile (*) The Mona Lisa is just an artistic creation

A few years ago a mathematician discovered a connection between arithmetic and geometry using the multiply by lines method. Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made

What is the sum of all even divisors of 1000? #math #maths #mathematics #shorts Source http://math.stackexchange.com/questions/1923419/what-is-the-sum-of-all-positive-even-divisors-of-1000 Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas! If you purchase through these links, I may be compensated for purchases made on Amazon. As

More Matt: http://bit.ly/Matt_Videos Matt Parker talks us through “Happification” and resulting structures it creates. Includes his fascinating Melancoil!? More links & stuff in full description below ↓↓↓ Our earlier Happy Numbers video is at http://www.youtube.com/watch?v=kC6YObu61_w and the Narcissistic Numbers video is at http://www.youtube.com/watch?v=4aMtJ-V26Z4 Matt Parker’s website: http://standupmaths.com/ A pic of the “melancoil” as drawn in