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James Tanton
An Aussie fellow promoting uplifting joyful genuine math thinking and doing for students & teachers alike. Honored: reaching millions!
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James Tanton 12h
Replying to @bobloch
Yes! Flying out tomorrow. Giving a couple of talks (How many degrees in a Martian Circle? and an MAA talk on the aaMC) and an Exploding Dots demonstration! Meet up?
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Bob Lochel 13h
Replying to @jamestanton
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James Tanton 14h
Replying to @pckeller @MODUALITY
So multiplication is inherently non-commutative!
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James Tanton 15h
Of course, there should perhaps be a fifth option for the apple image.
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Jonathan J. Crabtree 15h
Replying to @jamestanton
Twice as much vs. twice as many. i.e. magnitude vs. multitude. Refer to my comments at
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Republic of Math 16h
For example ... constant varying from 0.2 to 5 in steps of 0.2 Two fixed line segments in the plane. What curve is formed by set of points P with the property that the sum of areas of the triangles P forms with each segment (P apex, segment base) is constant?
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James Tanton 18h
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Hilary Kreisberg 22h
Be prepared to have your mind blown!!!! is an incredible way to understand our number system.
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James Tanton 22h
presentation at 11 am, Friday April 27, network lounge. Come see - and experience! - what the worldwide "mind blowing" buzz is all about!
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WaMathConf 23h
Less than four weeks now until the 2018 Washington College Mathematics Conference in , featuring keynote speaker , an exciting slate of contributed talks and over 200 attendees. Registration still open!
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James Tanton 23h
Two fixed line segments in the plane. What curve is formed by set of points P with the property that the sum of areas of the triangles P forms with each segment (P apex, segment base) is constant? (Two collinear segments? Two parallel segments? Two perpendicular segments?)
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James Tanton Apr 20
You played an integral part in getting this off the ground! Thank you!
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Lindy Elkins-Tanton Apr 19
And we hear that the Snapchat/Instagram coverage reached 1 million!
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Lindy Elkins-Tanton Apr 20
Ok IT IS HAPPENING! It’s and and our book AND a clay Earth that ’s child made and left in the car. Now off to have an Earth Week event at Loyola!
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James Tanton Apr 20
Replying to @ratnerp @eapbee
However ...
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Republic of Math Apr 20
Contour plot of locus of points whose sum of distances from the points (1,0), (-1/2, sqrt(3)/2), (-1/2, -sqrt(3)/2) and the line x=0, ranges from 3 to 10 in steps of 0.2 Ref:
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James Tanton Apr 20
And might these be parabolic sections?
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Republic of Math Apr 20
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James Tanton Apr 20
It truly is wonderful & humbling that mathematics was so welcomed in so many classrooms across the globe. There is a real yearning for uplifting joyous math conversation. Teachers are the best, most fabulous advocates.
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James Tanton Apr 20
We love having you on board!
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