Kendra Lockman

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Kendra Lockman

Kendra Lockman

@klockmath

I teach math. I'm a parent. I like art and science. I sometimes do art and science. I have lots of opinions and lots of questions. she/her

Berkeley, CA Katılım Ekim 2015
289 Takip Edilen309 Takipçiler
David Butler
David Butler@DavidKButlerUoA·
@WRoberts3 Think jinx! I was also pondering how I do this to students all the time.
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David Butler
David Butler@DavidKButlerUoA·
I find it very frustrating when you show someone something you've made, and the only comment they make is a suggestion of how to change it or tell you how they would have done it.
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Kendra Lockman
Kendra Lockman@klockmath·
@MurrayH83 These patterns are so lovely. It looks like you're enjoying your blocks. :)
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Kendra Lockman
Kendra Lockman@klockmath·
I had long described limits to students as trying to predict where you might end up, if you were somehow traveling along a function graph and it was really foggy.
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Kendra Lockman
Kendra Lockman@klockmath·
@MurrayH83 The bottom left is the only one in which green tiles share some edge
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Kendra Lockman
Kendra Lockman@klockmath·
@MurrayH83 The top left is the only one in which red tiles share some edge
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Kendra Lockman
Kendra Lockman@klockmath·
@MurrayH83 The bottom right is the only one that is not 2-fold rotationally symmetric.
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Kendra Lockman
Kendra Lockman@klockmath·
@aknauft @Desmos That's perfect, thanks. I am still struggling with making parametric color intuitive.
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Kendra Lockman
Kendra Lockman@klockmath·
@aknauft @Desmos Thanks! The image with transparent gradient is a slick move... and it might even help with my greater purpose.
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Kendra Lockman
Kendra Lockman@klockmath·
@jamestanton I don't think we could get more than 3 in arithmetic progression, because the only way to have a prime result is to have (n-1) of the numbers be units, and there are only 2 units in the integers.
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James Tanton
James Tanton@jamestanton·
Each prime number is the product of three integers. Is there a a prime number that is the product of three integers that happen to be in arithmetic progression? [ prime = a(a+k)(a+2k) ] How about four?
James Tanton tweet media
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Kendra Lockman
Kendra Lockman@klockmath·
@SweenWSweens Hey! I'm trying to play both of these with my kiddo, but the codes are inactive. Can you re-activate? (We'll probably play on Tuesday)
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Sean Sweeney
Sean Sweeney@SweenWSweens·
I made a new escape room in Desmos! Desmos Escape 2: The Museum Play it here: student.desmos.com/join/tq5tp6 You don't have to log in, but if you do it saves your progress in case you want to come back to it.
Sean Sweeney tweet media
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Kendra Lockman
Kendra Lockman@klockmath·
@dpscher I'm thinking a lot about the features and curious how intuitive they are. Building this thing in Sketchpad may be easier, but I wonder if the desmos version is more intuitive for someone who's coming in fresh. I can't tell because I'm def *not* fresh.
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Kendra Lockman
Kendra Lockman@klockmath·
@dpscher I just watched the recording of yesterday's desmos live. So exciting. I was definitely thinking about this construction!
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Daniel Scher
Daniel Scher@dpscher·
My favorite conic sections construction. Building it with Sketchpad is simpler, but you can't (yet, anyway) build it from scratch in Web Sketchpad. #desmos. Link: desmos.com/geometry-beta/…
Daniel Scher tweet media
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Kendra Lockman
Kendra Lockman@klockmath·
btw my desmos graph was influenced by @dpscher's book Exploring Conic Sections with Sketchpad. I appreciate the encouragement to play and explore in the book, and I equally appreciate how easy it is to build (and extend) conic sections using the distance function in Desmos.
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Kendra Lockman
Kendra Lockman@klockmath·
omgosh I just blew my own mind by "extending" the definition of an ellipse to include a 3rd point. I thought I would get something roughly akin to wrapping a string around 3 thumbtacks, but I did not.
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