
Open Middle
@openmiddle
Challenging math problems worth solving. Check out our online workshop (grts.ws/om) and book (grts.ws/omm) by @robertkaplinsky. Tweets: @laura_wagenman
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https://www.openmiddle.com 01-02-2014 05:48:22
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Looking for interactive exercises for your students? Tim Brzezinski's GeoGebra Open Middle exercises offer a solution. Students can use online manipulatives with built in answer checking, with a variety of problems available. See more at geogebra.org/m/jazvukfd


If you've wanted to teach math using real-world and Open Middle problems but want support getting started, then this is the workshop for you. Learn more about Robert Kaplinsky's (Robert Kaplinsky) Empowered Problem Solving online workshop at grassrootsworkshops.com/workshops/empo…



Fins al 6 ⚙️ 👉🏼 Fes servir les xifres del 0 al 6 sense repetir-ne cap per completar aquesta suma. Quins resultats pot obtenir? 🟦🟦 ➕ 🟦🟦 ➕ 🟦🟦 🔗 Proposta de Graham Fletcher a Open Middle a openmiddle.com/sums-to-100/






[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2025/05/math-l… links and help from Libo Valencia 🧮 MathPlay COMAP Math Open Middle Robert Kaplinsky Howie Hua and more #MathChat #MTBoS #iTeachMath
![David Petro (@davidpetro314) on Twitter photo [New Post] Ontario Math Links - My favourite #math related links from this week:
ontariomath.blogspot.com/2025/05/math-l…
links and help from <a href="/MrValencia24/">Libo Valencia 🧮 MathPlay</a> <a href="/COMAPMath/">COMAP Math</a> <a href="/openmiddle/">Open Middle</a> <a href="/robertkaplinsky/">Robert Kaplinsky</a> <a href="/howie_hua/">Howie Hua</a> and more #MathChat #MTBoS #iTeachMath [New Post] Ontario Math Links - My favourite #math related links from this week:
ontariomath.blogspot.com/2025/05/math-l…
links and help from <a href="/MrValencia24/">Libo Valencia 🧮 MathPlay</a> <a href="/COMAPMath/">COMAP Math</a> <a href="/openmiddle/">Open Middle</a> <a href="/robertkaplinsky/">Robert Kaplinsky</a> <a href="/howie_hua/">Howie Hua</a> and more #MathChat #MTBoS #iTeachMath](https://pbs.twimg.com/media/GrPnwZ5XwAA6wJ4.jpg)




