Joined January 2010
- Tweets 590
- Following 151
- Followers 106
- Likes 1,327
59 Photos and videos
24 Sep 2023
Just tried @nhighstein's Desmos activities on Voronoi Diagrams! Wow. teacher.desmos.com/activityb…
I've been having fun writing fairly compact code for VDs.
desmos.com/calculator/coarip…
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15 Feb 2023
I've been having fun proving and creating trig identities like this one: tan x sec x = tan(x/2 pi/4) #MTBoS #iteachmath
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4 Feb 2023
@MathigonOrg This utility (very important) page is in a bad state, so I can't interact with it; I can't see it all to recreate it easily (actually a lot of work), and I can't copy the contents. mathigon.org/polypad/rsYchIc…
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4 Feb 2023
I started to recreate the page, and it got wedged similarly. Perhaps something I'm doing is tickling a rare code path???mathigon.org/polypad/46orRNA…
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12 Dec 2022
While enjoying @davidporas present a @MathigonOrg video (mathigon.org/task/tutorial-g…), I thought I'd build some folding couches: polypad.org/6Y3nbCwZ0KsgQw. I got surprising behaviors (bugs or features?).
3 Dec 2022
Thank you! Both nested folders (very easy to convert!) and search will make Polypad much easier to use!! #iteachmath
30 Nov 2022
It's now easier than ever to find and organise your Polypads – with nested folders and search!
24 Nov 2022
This is some sort of magic!
24 Nov 2022
It is possible to tile a 2x5 board with dominos with an odd number of them laid vertically. Is it possible to do the same for a 4x5 board: tile with dominos with an odd number of them vertical?
18 Nov 2022
I have enough PolyPads (in folders) that I can't always find them easily. Is there any way to search all the canvas titles? @MathigonOrg
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14 Nov 2022
Graceful!
13 Nov 2022
noticed my first monkey puzzle tree today while on a walk and it was VERY COOL (definitely don't have these on the east coast)
ALT A photo of a tree, with the photo focusing on the end of a branch. The tree has a slightly spiky trunk towards the top, and its branches are very spiky and thin and long. The end of the branch looks a bit like a hens and chicks succulent.
31 Oct 2022
The Hemachandras stopped by. They were dressed as Fibonaccis. #iteachmath @jamestanton @abeliangrape_
31 Oct 2022
💜this even before JT posted (taught to it today). Now I 💜💜it. Patterns usually check a constraint to rule out a case, not usually rule in.
30 Oct 2022
In this colored grid of pink, green, blue, yellow cells in diagonal rows, any 4-by-4 square outlined will contain equal numbers of cells of each color. Not true for a 5x5 squares. For which N will an N-by-N square drawn on this grid be sure to contain equal counts of each color?
2 Oct 2022
Hey, @MathigonOrg community. Can anyone tell me how to unlock tiles? It's no longer in the tools menu that now controls the UI.
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9 Sep 2022
What they said!
9 Sep 2022
Hi, #MathTwitter! I help organize the @theJRMF Community-Run Math Circle, which involves a fun math exploration (like the one below) on Zoom once a month, and we are looking for new facilitators! 🧵 (1/9)
#ITeachMath #MTBoS
ALT An image with the title "Julia Robinson Math Festival Community Run Math Circle" and the JRMF logo at the top. Below is the text "Stack the cups into a single pole by moving 1 cup 1 position, a stack of 2 cups 2 positions... At which positions can you land the final pile?". Next to this text are a collection of cups stacked on spot 2 (of 6), with the order from bottom to top of 2, 5, 4, 6, 1, 3. Below the stacked cups is the starting point, featuring colourful cups in a row numbered from 1 to 6 above spaces that show the same number. The goal is to go from the cups in a line to a stacked set of cups.
19 May 2022
Drawing a circle of n colored dots, mapping the color wheel evenly colors adjacent dots similarly. Inspired by @vihartvihart, I used phi spacing, but the last dot sometimes was close in color to the first dot, but a stretch does the trick! @Desmos #MTBoS desmos.com/calculator/dn2gn1…
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9 May 2022
Check out this @Desmos activity: Animated Star Party! teacher.desmos.com/activityb… One of my first activities, the most complete, including teacher notes. It introduces concepts in modular arithmetic to primary students. Feedback Please. NB: I'm not a trained teacher, but learning.
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12 Apr 2022
This @Desmos circular string art activity is based on Mathologer videos on the rules to make a cardioid. I'm new at this: suggestions welcome. #mtbos #iteachmath teacher.desmos.com/activityb…
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21 Jan 2022
Learning Man Dance Rave Riddle! Is it logical to dance in the desert? Why, yes; yes it is! #mtbos #iteachmath @qrs youtube.com/watch?v=KT-d8MlT…
2 Jan 2022
Inspired by @misterwootube and PlaySchool (youtube.com/watch?v=i75jHweT…), here's a sock sorting @MathigonOrg activity: mathigon.org/polypad/7QRKsXc…. Feel free to use or offer suggestions. Should I delete even the 2-word title @jamestanton? #mtbos #iteachmath
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29 Sep 2021
amazing!
27 Sep 2021
Why do the angles in a triangle add up to a “straight” angle (that is, 180 degrees)?
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29 Sep 2021
Some of you must have kids that played with "loom bands". If you can easily find one/some, or if you can estimate from your experience, how far can one band easily stretch? #mathcrafts
#MTBoS
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