A nice little function/word puzzle here. Had me infuriated for some time.
You can find a list of all 110 words that were submitted on Twitter, along with their A and B values at M Shah’s blog, here (you need to scroll down to Activity #3). Be careful of spoilers though, because the solution is given just after the list of words.
Happy First of December!
Throughout the month, Hannah Fry & I will be tweeting out Christmathsy bits and pieces, one a day, advent calendar style… Assuming we don’t run out of ideas, which is certainly possible (What do you mean we should have thought this through beforehand?).
First up, a competition!
In case you missed it. ???❄️☃️ pic.twitter.com/lf6MuFP3p8
— Hannah Fry (@FryRsquared) December 1, 2016
Here is a nice problem tweeted by the Republic of Mathematics:
Average of 3 consecutive cubes, n^3, (n+1)^3, (n+2)^3 is an integer. Same true if 3 replaced by odd integer?
— Republic of Math (@republicofmath) August 4, 2015
Free of the constraints of Twitter’s 140 character limit, let’s explain this problem in a little more detail. Continue reading
Obviously, the tiles must not overlap one another and must not overlap the boundary of the blue square.
[UPDATE: See the bottom of this post for the answer to this question, provided by Stephen Morris.]
A mathematician walks into a bar. The punchline is left as an exercise for the reader. #mathsjoke
— Thomas Oléron Evans (@Mathistopheles) March 17, 2015
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The 82000 sequence that I posted the other day seems to have caught the imagination in a few quarters. Continue reading
Any suggestions? Need to put brackets in to this true. Pls help! @mathsjem @solvemymaths @hegartymaths pic.twitter.com/LOdAAYOYqE
— Japleen Kaur (@japleen_kaur1) May 14, 2015
Any ideas…? Continue reading
The other day, I did a mini-investigation into an interesting maths tweet from Cliff Pickover. Here’s another:
Scream! The string 79873884 1st occurs in Pi at position 79873884, counting from 1st digit after the decimal point. pic.twitter.com/kcASDJSV1A
— Cliff Pickover (@pickover) April 21, 2015
This fact is beautiful, but is it surprising?
This rather elegant fact has been going round on Twitter:
“It can’t be true … can it?” Rachael Formula. More info/discussion: http://t.co/gh6Lt76si1 pic.twitter.com/sDc547kEyV
— Cliff Pickover (@pickover) April 15, 2015
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However, there are other examples of this phenomenon…
Here’s a question that caught my eye, in a tweet from @colinthemathmo:
I had a think about this and found that it is actually a deceptively beautiful little puzzle.
Click here for my piece on this problem.