@AMTRAmath
Joined October 2017
  • Tweets1K
  • Following241
  • Followers98
55Media
Four arguments for why 0.9 repeating equals 1
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"That Josh Allen shovel pass was a fluke."
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AMTRA retweeted
AMTNYS@AMTNYSOct 20
#AMTNYS2027
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I was wrong in my last video about California license plates 😱
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California ran out of license plates of the form 1ABC234 so I was curious, how many license plates did we go through?
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[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/202… Links and help from @mathsjem @FryRsquared @MathforLove @Math_files @howie_hua @themathflow @infobeautiful and more #MathChat #MTBoS #iTeachMath
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A fraction comparison strategy: Comparing to 1/2
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AMTRA retweeted
Howie Hua@howie_huaOct 8
Okay I MIGHT have found a new way to visually obtain the harmonic mean because I could not find this visual anywhere. Even if it's not new, I'm still really proud of it because it's understandable and valid.
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[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/202… Links and help from @KarenCampe @Desmos @howie_hua and more #MathChat #MTBoS #iTeachMath
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My college students said they wish they were taught this way of finding the greatest common factor when they were in school
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[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/202… Links and help from @TheErickLee @howie_hua @jamestanton and more #MathChat #MTBoS #iTeachMath
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AMTRA retweeted
Dan Meyer@ddmeyerSep 29
The headline: "AI tutors do just as good as humans at half the cost." The appendix: "We threw out a bunch of students who didn't use the AI tutor enough." Me: "You see how this looks right." Study: arxiv.org/pdf/2609.28470
Robert Pattinson's character from Primetime saying, "You see how this looks right," in front of an appendix outlining exclusion reasons.

ALT Robert Pattinson's character from Primetime saying, "You see how this looks right," in front of an appendix outlining exclusion reasons.

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Which is greater: 50⁹⁹ or 99!
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[New Post] - Ontario Math Links: My favourite #math related links from this week: ontariomath.blogspot.com/202… Links and help from @howie_hua @pwharris @ScienceDaily and more #MathChat #MTBoS #iTeachMath
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Did you know that Mike Flynn has a YouTube channel where he shares videos for math educators? Here are three of his most popular videos: youtube.com/watch?v=UzjZXLyu… youtube.com/watch?v=q_F_L7Yj… youtube.com/watch?v=MBCktTpu…

Redefining What It Means to Be Good at Math

Our conventional ways of defining success in math class valued only...

youtube.com
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Stop buying more counters. Use the children.Five kids, photographed in every decomposition of 5, posted at eye level all year. Decomposing number is THE conceptual achievement of the early grades (Resnick, 1983), and the body makes it stick. Zero dollars. Huge payoff. AI kids here for privacy.. see my pinterest board for different real classroom examples....pinterest.com/pin/1420041944… #MTBoS #mathchat #mathchat #wcydwt
🤖 Made with AI
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Mathematicians are angry at AI solving their problems, and it's easy to dismiss this as gatekeeping. "A proof is a proof. They just want to keep their jobs / prestige / fun !" But I do think mathematicians have a point, and I'll try to explain using old Civilization-style maps
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AMTRA retweeted
Dan Meyer@ddmeyerSep 16
It's all over tech-adjacent Twitter. "Kids can learn 2x ... 5x ... 10x! ... faster than in regular schools." My question, always, is "... learn WHAT?"
Several tweets indicating that students are learning 2x, 5x, or 10x faster than regular school.

ALT Several tweets indicating that students are learning 2x, 5x, or 10x faster than regular school.

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These are math talk cards not Flashcards so when you work with them you are listening to a student’s reasoning.
Asymptode
@AsymptodeGlobalSep 16
Replying to @drnickimath
The middle phase is where 1:1 sessions earn their keep, watching a student's reasoning strategy live is the only way to tell if they're ready for recall or still need scaffolding. A flashcard can't see that. What's the clearest tell a kid is still counting, not reasoning?
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How do we do this "new" way of dividing?
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