Gabe Kramer
@LetsLearnCalc
Assistant Teaching Professor of Mathematics. 2019 Desmos Fellow. Zero is not a natural number. Pro Lecture. He/Him.
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Math Help: If I have a nonlinear transformation T: R^m -> R^n, what do I call the set of solutions to T(x)=0? Is it just roots or zeros? Or is there a fancier name for it?
Hear me out: Instead of multiple classes meeting 3-4X a week for 15 weeks. One class meets 3-4 hours per day (2 hour morning session + 2 hour afternoon session) for 15 days.
Some geometry of the dot product: desmos.com/3d/5oazs3wlcn.
Is anyone else having the issue in Chrome where @Canvas_by_Inst isn’t giving the option to delete objectives?
Behrend is hiring! TT Position in MathEd psu.wd1.myworkdayjobs.com/en-US/PSU_Acad… NTL Position in Math psu.wd1.myworkdayjobs.com/en-US/PSU_Acad…
Been seeing lots of @Desmos 3D discussion around surfaces of revolution for Calculus. While parametrics are great for showing the act of rotation (see: desmos.com/3d/1a7f86ac77), I'm also loving this strategy, accessible to students who have seen equations of circles before:
Develop a deeper understanding of our three-dimensional world with Desmos 3D! Explore dynamic curves and surfaces in a 3D space, all while having your favorite Desmos 2D features at your fingertips. Read about this dynamic new tool in our blog: blog.desmos.com/articles/beta-… #Desmos3D
It's public. desmos.com/3d
desmos.com
Desmos | 3D Graphing Calculator
Desmos | 3D Graphing Calculator
Just finished #GradingForGrowth. If you are even remotely interested in the alternative grading movement, I highly recommend it. Even if you’re not, it might change your mind.
Friends in academia, let this serve as a reminder that a promotion without a significant raise isn’t a promotion, it’s a title change. Also, promotions come with a shift in responsibilities, not only more responsibilities. Don’t sell yourself short.
Adding fractions.. we can do that. desmos.com/calculator/q8z…
desmos.com
Adding Fractions 3.0
Adding Fractions 3.0
This is actually how "confidence intervals" work in statistics. I'm being 100% serious. Read on. This is a really fun concept.
My plan for this summer is to study up on some signal processing. This stuff is so cool! desmos.com/calculator/sjh…
We need people to do X. We refuse to pay people to do X. Why does nobody want to do X?
Legend.
Student: Can we talk about D12? Me: The rap group or the standard? Either way the answer is yes.
It’s only a matter of time before students are able to work a problem, scan it, and have AI leave feedback and grade their work. I wish that day was today.
Any #MTBoS folks have suggestions for intro matrices / linear algebra books? I've had success using Holt in the past but am looking into more affordable alternatives.
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