Math educator. ❤️ teachers. @openmiddle co-founder. #OpenMiddleBook author. #ObserveMe creator. @GrassrootsWS President. Get my emails: bit.ly/rkupdates

Joined August 2012
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I don't often talk about living in homeless shelters or a group home because they're not my favorite memories to relive. However I decided to present about it because knowing stories helps educators better empathize. You can watch the presentation here: robertkaplinsky.com/5-strugg…
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Does understanding the Math Practices seem impossible? I think so and I rewrote them in an attempt to make them readable. In this blog post I share my revised version of MP 1 as well as a link to download all 8 MPs in English or Spanish as a printable PDF. robertkaplinsky.com/making-t…
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Not familiar with Pam Harris' Problem Strings? They're strategically crafted sets of problems that scaffold understandings for powerful conversations. Download ready-to-go strings here: mathisfigureoutable.com/prob… Take her online workshop here: grassrootsworkshops.com/work…
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I created a mini workshop called How To Use An Open Middle Problem that has K-1, 2-5, and 6-12 examples. It includes everything from why you want to use them, how to use them, and how to prepare ahead of the lesson. Learn more here: grassrootsworkshops.com/work…
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Does understanding the Math Practices seem impossible? I think so and I rewrote them in an attempt to make them readable. In this blog post I share my revised version of MP 5 as well as a link to download all 8 MPs in English or Spanish. robertkaplinsky.com/making-t…
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Is anyone going to @nctm Denver and interested in @deadmau5?!
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Does understanding the Math Practices seem impossible? I think so and I rewrote them in an attempt to make them readable. In this blog post I share my revised version of MP 6 as well as a link to download all 8 MPs in English or Spanish. robertkaplinsky.com/making-t…
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In 2001, Taco Bell offered a free taco to everyone in the US if the Mir space station crashed into a sign they placed in the ocean. Math modeling was used to figure out how much they had to pay if it actually hit the target. Read more: robertkaplinsky.com/math-mod…
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I'm a big fan of numberless word problems because they force students to think rather than mindlessly compute. Brian Bushart shares lots of free problems for elementary teachers here: numberlesswp.com/
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I've heard lots of great ideas in presentations, but I often need more time to think about an idea, try it out, and learn more. That's why I made my six-week online workshop to help teach math through problem solving. Learn more at: robertkaplinsky.com/eps/
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Have you ever noticed that you can accept tough feedback from one person, but if another person gave you the EXACT SAME tough feedback, it would make you feel judged or criticized? Here's my secret for giving feedback others want to hear: robertkaplinsky.com/my-secre…
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Do we really know our content standards? Or maybe we're just teaching what's in our textbooks? What if we're misinterpreting them or teaching standards that are not from our grade level? This happened to me for 4 years! Read more: robertkaplinsky.com/do-we-re…
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Looking for a tool to help scaffold your students' underdeveloped problem solving skills? Then you'll want my Problem Solving Framework. In this blog post I share how it's evolved over the years and you can download the latest version. robertkaplinsky.com/the-prob…
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Secondary math teachers! I hope you've checked out Marbleslides (classroom.amplify.com/search…). This link includes some challenging variations made by Sean Sweeny too.
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It's frustrating to find students' hidden misconceptions when it's too late to do anything about them. So check out my free webinar called Three Engaging Methods To Uncover And Fix Hidden Student Misconceptions for tips on what we can do. Watch here: info.robertkaplinsky.com/thr…
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How does a dating website like eHarmony know which people to show you? They use math modeling! What info would they need (Spies) and what would they do with that information (Analysts) to turn it into something they can use? robertkaplinsky.com/math-mod…
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If students have conceptual understanding of two-step equations, this Open Middle problem is a breeze. If not, you'll know quickly.
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Sometimes an issue we're dealing with is not the real problem but actually a symptom of a different problem we're unaware of. Toyota uses a technique called "5 Whys" to find and address the real issue. We can do the same in education. robertkaplinsky.com/applying…
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What if you could predict which students would struggle before they do? What if this enabled you to put support programs in place that made learning more equitable? This doesn't have to be a "what if?" because this tool currently exists. robertkaplinsky.com/a-crysta…
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Central Park from is a very fun and interactive way to help students develop conceptual understanding of solving equations. Try it out here: classroom.amplify.com/activi…
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If you're looking for high quality online professional development that works around your schedule, check out Grassroots Workshops. You'll find lots of options from education leaders you know, like, and trust. You can earn graduate PD credits too! grassrootsworkshops.com/
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