Peter Liljedahl
@pgliljedahl
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building thinking classrooms • creativity • teacher beliefs • classroom practice • teacher professional growth • numeracy • instructional design • assessment
Simon Fraser University
Joined July 2016
Kicking off my morning with @BTCthinks and @pgliljedahl! We love a morning shake and toss! #NCTMATL25
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“Real-world impact has come much faster with AI than it did with mobile.” -Mike Krieger AI is already changing budgets, workflows, and P&Ls. We sat with @mikeyk, CPO at Anthropic. Here’s what he told me: • How AI is driving revenue today • Sonnet 4.5: Opus-level brains at
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Enjoyed Treating Math Trauma by Building a Thinking Classroom session with Peter Lijedahl and Vanessa Vakharia @NCSM. Thanks for an engaging, insightful, and fun session @TheMathGuru and @pgliljedahl! #NCSM2025
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#Fandoming @BTCthinks @pgliljedahl @MathTherapy
@pwharris Thanks to the peeps at #BSMEC2025 for this great event, #NCTMATL25! Not only are we bolstering our math brain, we get to meet our fave authors and #MathInfluencers too! @TRod_Math13
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How do we move students from turn taking to collaborating in a #thinkingclassroom? “How students collaborate at whiteboards has the biggest impact on how they perform on standardized testing at the end of the year” -@pgliljedahl @BTCthinks #NCTMATL25 #iteachmath @NCTM
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Tired of vacation rental nightmares? 👻 Us too. We're giving away a $10,000 Wander trip for the craziest vacation rental horror story. Simply reply to or quote this post with your spooky tale and tag a friend. We'll create ghostly videos of the best ones and choose one winner!
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Who’s planning to stop by the Corwin booth tomorrow (Thursday) afternoon for a super fun book signing session? 3 amazing books by 3 amazing authors @pgliljedahl @TheMathGuru I have special swag for anyone who stops by. #NCTMATL25 #NCTM2025
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Exciting moments from the #NCSM2025 conference! Cofounder Chadd McGlone had the honor of introducing the session featuring two inspiring leaders in math education, @pgliljedahl and @TheMathGuru, who are reshaping how students think, learn, and love math. #NCSMRiseUp
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GraniteShares announced distribution rates for all GraniteShares YieldBOOST ETFs today, as listed in the table below. (1) Distribution per share: As of Oct 15, 2025 (2) The Distribution Rate is shown as of Oct 16, 2025. It is the annual rate an investor would receive if the
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HTPS deepens their understanding of BTC in mathematics. @HowellTwpMSN @HowellTwpMSS @pgliljedahl
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From makeshift whiteboards to a student-led self-monitoring system. BTC continues to evolve in creating opportunities for students to engage in mathematics. https://t.co/2XCIOoxLGS
#BuildingThinkingClassrooms @pgliljedahl
mattcoaty.com
Every school year feels like a new draft of a similar successful experiment. Four years into using Building Thinking Classrooms (BTC) strategies and I’m realizing that the best lessons ar…
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[New Post] Ontario Math Links - My favourite #math related links from this week: https://t.co/Pj1bFehqBs Links and help from @pgliljedahl @fawnpnguyen @howie_hua @pickover and more #MathChat #MTBoS #iTeachMath
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Look what arrived! Just when you thought the K-5 book was big, the 6-12 is even thicker! I've been through it already and wow—@pgliljedahl and @webbkyle really delivered. You want this. 🔥
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Ready for some sharp political insights and healing power? Jeff Coltin (POLITICO) and Dr. Cristi Bundukamara (Mentally STRONG) join: SHAKE IT OFF WITH MERT & LUCAS, LIVE! Sunday, Oct. 19, 2025 | 7–9 PM (EST) | AM970 Radio Replays streaming everywhere.
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Look what came in the mail today!! If you’re a 6-12 math teacher, you NEED this book. I can’t wait to try these out and share with my colleagues @pgliljedahl @FSHISD #iteachmath #mtbos #thinkingclassroom
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@pgliljedahl Congrats to @webbkyle ! This book is a gem! Every TC teacher needs to have this book!
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Great read with great tasks!
Our new 6-12 tasks book is in stock and shipping! If you're in the US, order directly from Corwin using code SAVE20 to get 20% off and free shipping. If you're in Canada, order from University of Toronto Press and use the code TASKS20 to get 20% off.
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Here's a sneak peek to Task 30: Graphing Linear Equations!
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startups are running a marathon. when you're designing a product or rolling out new features… these things take time. you’re not running a sprint where everything gets done in 2 weeks. it takes more than that (1 month, 3 months, 6 months). don't chase speed. everyone wants
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Our new 6-12 tasks book is in stock and shipping! If you are in Europe or Australia, the pub date has been moved up to mid October and you can order directly through https://t.co/TbRJeIB2qM using your country of origin. Here's a sneak peek to Task 30: https://t.co/gJhlhhJwnb
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Our new 6-12 tasks book is in stock and shipping! If you're in the US, order directly from Corwin using code SAVE20 to get 20% off and free shipping. If you're in Canada, order from University of Toronto Press and use the code TASKS20 to get 20% off.
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Build your Thinking Classroom LIVE with @pgliljedahl through @RocketPd: ➡️ 1st session on Oct 29 ➡️ 5 sessions on Zoom (recorded) ➡️ Click here to learn more and to register: https://t.co/sDNTPpgdLF
#thinkingclassrooms #btcthinks #buildingthinkingclassrooms #iteachmath #MTBoS
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