Open Middle (@openmiddle) 's Twitter Profile
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

ID: 2321844925

linkhttps://www.openmiddle.com calendar_today01-02-2014 05:48:22

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28,28K Followers

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Open Middle (@openmiddle) 's Twitter Profile Photo

Preparing your students for state testing? Open Middle has you covered. Use our curated problems to help your students be ready on test day.

Preparing your students for state testing? Open Middle has you covered. Use our curated problems to help your students be ready on test day.
Open Middle (@openmiddle) 's Twitter Profile Photo

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

Looking for interactive exercises for your students? <a href="/TimBrzezinski/">Tim Brzezinski</a>'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
Grassroots Workshops (@grassrootsws) 's Twitter Profile Photo

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…

If you've wanted to teach math using real-world and <a href="/openmiddle/">Open Middle</a> problems but want support getting started, then this is the workshop for you.  

Learn more about Robert Kaplinsky's (<a href="/robertkaplinsky/">Robert Kaplinsky</a>) Empowered Problem Solving online workshop at grassrootsworkshops.com/workshops/empo…
Open Middle (@openmiddle) 's Twitter Profile Photo

How would your students go about this Open Middle problem by Elizabeth Trochil? See this problem and more at openmiddle.com #openmiddle #teacher #mathteacher #education #edu #math #learning #productivestruggle

How would your students go about this Open Middle problem by Elizabeth Trochil? See this problem and more at openmiddle.com #openmiddle #teacher #mathteacher #education #edu #math #learning #productivestruggle
Carles Granell (@carlesgranell4) 's Twitter Profile Photo

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/

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 <a href="/gfletchy/">Graham Fletcher</a> a <a href="/openmiddle/">Open Middle</a> a openmiddle.com/sums-to-100/
Open Middle (@openmiddle) 's Twitter Profile Photo

Need a one-slide warmup for Monday with no prep? You're 30 seconds away from a ready-to-use critical thinking problem. Know a teacher who'd love this? Send them to openmiddle.com

Open Middle (@openmiddle) 's Twitter Profile Photo

Tag a friend who you think should use this in their classroom! @geogebraofficial #openmiddle #openmiddlemath #math #mathteacher #teacher #teacherlife #edu #education #matheducation #geogebra #students

Open Middle (@openmiddle) 's Twitter Profile Photo

Comment "Embed" and we'll send you an article with more info! #openmiddlemath #openmiddle #mathteacher #teacher #education #math #edu #productivestruggle #iteachmath #learning #matheducation #teachers

David Petro (@davidpetro314) 's Twitter Profile 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 Libo Valencia 🧮 MathPlay COMAP Math Open Middle Robert Kaplinsky Howie Hua 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
Open Middle (@openmiddle) 's Twitter Profile Photo

There's so many ways to use Open Middle problems: from lessons to quizzes, warm-ups, and more. What's your favorite way to use #openmiddlemath?

Open Middle (@openmiddle) 's Twitter Profile Photo

This quote from Jessica Goree is exactly what you want to see in your classroom. #iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu

This quote from Jessica Goree is exactly what you want to see in your classroom.
#iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu
Open Middle (@openmiddle) 's Twitter Profile Photo

This quote from Deepak Basyal gives insight about how Open Middle problems help students think critically. #iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu

This quote from Deepak Basyal gives insight about how Open Middle problems help students think critically.
#iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu
Open Middle (@openmiddle) 's Twitter Profile Photo

If your students are learning about perpendicular lines, try out this Open Middle problem from Andy Schwen with them: openmiddle.com/perpendicular-…

If your students are learning about perpendicular lines, try out this Open Middle problem from Andy Schwen with them: openmiddle.com/perpendicular-…
Open Middle (@openmiddle) 's Twitter Profile Photo

This quote from Stacy Grinstead shows how Open Middle problems get students talking! #iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu

This quote from Stacy Grinstead shows how Open Middle problems get students talking!
#iteachmath #teacher #teachers #teacherlife #math #mathteacher #matheducation #openmiddlemath #openmiddle #learning #criticalthinking #teacherhacks #teacherhack #edu