#teachmath leaders in MA and others! MTA free 15 PDPs
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#teachmath
Latest posts tagged with #teachmath on Bluesky
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Posts tagged #teachmath
Nice little calculus problem: You want to increase a number of the form x^y (x,y > 1) by adding a small amount to either the exponent or the base. Which is more efficient? 5^8, for example. #teachmath
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4/5 • 1/8
4 • 1/5 •1/8
4 • 1/8 • 1/5
4/8 • 1/5
1/2 • 1/5
1/10
#MathStratChat #TeachMath
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Assignment I might try next semester: have ChatGPT do one of my old exams and have the students grade it. #teachmath #mathsky
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Teaching children to mindlessly follow algorithms is such a frustrating thing to try to combat as a teacher- these kids often resist attempts to make math make sense!
#Teachmath
@tdsbmath.bsky.social
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Has anyone had any disgruntled students from their past stir up trouble lately?
I got one from almost a decade ago and I wonder if it's because it's open season on professors right now and he was disappointed that I have no political posts on my socials to report. #teachmath
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My age today is NOT a prime number, BUT a lot of people think my age is a prime number? How old am I? #mtbos #teachmath #mathstoday
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Bar chart of a survey an whether you think two people in the room of 51 have the same birthday. "Very Unlikely" (5-20%) is the overwhelming winner with 31%. The correct "Almost certain >95%" had the fewest votes with 4%.
Our probabilistic intuition is worse than we realize. One nice thing about a large class (51 present) is I can prove this with the birthday problem. The true probability is over 97%. Usually my classes are right around the break-even point of 23. #teachmath
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I need to anonymize student data for legal reasons using a 3rd party homework system (I'm going all-in on #MyOpenMath this year). Is there a smarter way to do this than emailing some randomly assigned user names (I'm thinking Transformers) to the students and keep my own look-up table? #TeachMath
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Emphasis on meaningfulness and sense-making as central to mathematical development. Memorization is fragile and recovery is difficult (as in forgot my password or lock cutter at my gym for forgotten combinations) but reasoning from basic meaning back to some fact is possible.
#MTBoS #TeachMath
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Focus on the mathematical thinking, not the answer-getting.
#MTBoS #TeachMath
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Cover of four resources to help teach math
Boost student engagement with these effective math resources designed to spark student curiosity, build math confidence, and help learners see math as a powerful tool for solving real-world problems. Browse and shop all the books: http://spr.ly/633204m96r
#mathematicalreasoning #teachmath
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This is what my students said about community in Week 1 of the course #MathCommunity #MathEd #TeachMath #MathTeachers #MathChat #MathForAll #MathEquity #SocialJusticeMath #MathIsHuman #STEMCommunity #DataViz #MathInRealLife #MathStory #CommunityOfPractice #MathCulture
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Reading Knotting Numbers with my class #ethnomath #MathIsHuman #DataViz #MathCommunity #MathEd #TeachMath #MathTeachers #MathChat #MathForAll #MathEquity #SocialJusticeMath #MathIsHuman #STEMCommunity #MathInRealLife #MathStory #CommunityOfPractice #MathCulture
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Week 4 ... we are moving along the trajectory #MathIsHuman #DataViz #MathCommunity #MathEd #TeachMath #MathTeachers #MathChat #MathForAll #MathEquity #SocialJusticeMath #MathIsHuman #STEMCommunity #MathInRealLife #MathStory #CommunityOfPractice #MathCulture
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I hate "verify the mean value theorem" problems in calculus. I feel like they undermine the whole point of the theorem.
But I admit it is a hard sell in first year calculus. You really need to prove stuff to appreciate how important it is. #teachmath
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A small teddy bear is lying on the homework in progress - a pad of paper with integral calculus underneath.
Teddy is also mad at WH tariff math while working through real math problems. #teachmath #learnmath #domath
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How many pieces of chalk? How do you know?
The box can hold 3 layers of these boxes. How many boxes can it hold? How many pieces of chalk would that be?
Share your strategies!
#iteach #edusky #mathsky #teachmath
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Mysterious symbol-pushing nonsense:
(g(h(x))' = g'(h(x))*h'(x)
Obvious:
dg / dx = (dg / dh) * (dh /dx)
#teachmath
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What are some "homeless" topics in the undergrad math curriculum? I don't mean the usual "everyone should take this course" debate, but stuff that slips through the cracks b/c there's no standard course to fit it into. Ex: Fourier series, polyhedra, multivariable real analysis. #mathsky #teachmath
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Calc 3 is a weird class. I spend a ridiculous amount of time just on visualizing and working in 3D but it's hard to sell that it's actually the hard part. If you can get comfortable with that then the rest of the course is mostly just variants of Calc I and II with extra bookkeeping. #teachmath
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Why does math coverage in the media lag behind literacy coverage? With math outcomes under scrutiny and policies shifting, it's time to amplify the conversation! @hollykorbey.bsky.social
🔗 Read more: kappanonline.org/korbey-why-m...
#teachmath
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A recurring weakness I see in college is an inability to work with lines with any tool other than slope-intercept form. In particular, students struggle when we work with lines as geometric objects or parameterized paths and not as graphs of functions. #teachmath
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Me: If f(x,y)=|x|y/x continuous at (0,0)?
ChatGPT before class: No.
ChatGPT during class: Yes.
I got a different teaching moment than the one I was planning. #teachmath
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Thinking about ways to communicate to my data science class how to distinguish using a tool incorrectly from using the wrong tool. Meanwhile, the twins are fighting over how best to use the Magic 8-Ball to locate the remote control. #datascience #teachmath
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Another #boardgame #teachmath problem: An exploding die refers to rolling a standard 6-sided die but on a 6 you keep the 6 and add another roll - and you can keep exploding 6's indefinitely. A number of games use this mechanic. Find the expected value of a 6-sided (or n-sided) exploding die.
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Cute #teachmath problem on noticing the dice in Disney's Space Mountain: All Systems Go #boardgame are not all identical.
You have three fair 6-sided dice. Two have 2 red faces and 4 blue, one has 3 red and 3 blue. Find the probabilities of rolling 0,1,2, or 3 red faces, and the expected number.
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Me: what’s the French word for 100?
Class: cent
Me: (writes on board) per cent, /100
Student in the front row shouts: wait, WHAT?!!
Class: laughter and nodding
Entire class witnessing the lightbulb moment: priceless.
#edusky #teachmath #math #percent
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Join me tonight for ...#elemmathchat#MathRoutines
#BackToSchoolMath
#MathChat
#MathTeachers
#MathConfidence
#MathMindset
#TeachMath
#MathTalks
#MathClassroom
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