OGAP is a systematic, intentional, and iterative formative assessment system grounded in the research on how students learn mathematics.

Philadelphia, PA
Joined March 2018
"When teachers understand math differently, students learn math differently." Leander ISD just proved it — and shared the full story in @LearningCounsel. 🧮 thelearningcounsel.com/artic… #empoweringteachers #ogap #matheducation
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Tomorrow! 🎉 Join our webinar with The Math Learning Center OGAP + Bridges collaboration 📅 3/12 | 1pm PT / 4pm ET Register: bit.ly/3OnVwF8 #empoweringteachers #bridges #ogap
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Big news at BW Walch! 🎉 Sean Lockwood has been appointed our new CEO. With 20+ years in education leadership, Sean joins at a pivotal moment. Al Noyes continues as Chairman as we expand our impact nationwide. Excited for what's ahead! bwwalch.com/news/sean-lockwo…
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A student gets the right answer. But can they explain how? Jessica Jeffers challenges the idea that formative assessment is just a tool—it's "relentless attention to evidence of student thinking." Full article: districtadministration.com/o… #matheducation #empoweringteachers
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One year - students went from finding math intimidating to saying "Math is my favorite subject." The key? Professional learning focused on understanding student thinking. More than half now meet or exceed state growth targets. Story by @edCircuit 👇 edcircuit.com/making-confide…
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Is it more or less than 1? How would you think reason about this? Teachers in Lexington, SC explaining their reasoning . #fractions #Lexington
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Howard County, Maryland, Teachers having collaborative conversations about additive reasoning. #cardinality #magnitude
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There is a lot of collaboration in Easton, Maryland, as grade 3-5 teachers post Multiplicative Big 8 Ideas and map connections from the area model to partial products and then to the standard algorithm. #math #areamodel
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Educators at Easton Elementary School in Maryland analyzed the big ideas posters on their first day of Additive training! #math #bigideas
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Teachers from Charleston, SC, were all in on OGAP additive reasoning! A Focus on Addition and Subtraction is on their TBR summer reading lists and they are proudly wearing their bead strings in the big, wide world to make a difference for their students! #math #additivereasoning
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Math minds & math hands at work in Lexington, SC! These incredible teachers are diving into OGAP Additive by exploring subitizing through math hands and homemade dot cards. Big thinking starting with small dots!
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Creating group posters for equivalent fractions using each visual model challenged thinking in Exeter, PA!    The set model challenged our thinking… but not for long!  Such a learning opportunity that they promise to do in their classrooms in the fall!
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Pausing to reflect on learning throughout the day is helping these Lexington 1 SC teachers plan ways to build students' understanding of number lines in their classrooms next year.
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Philadelphia welcomed OGAP back for Proportional training. On Thursday everyone was locked in thinking about percents including one teacher that welcomed this Cornhusker by wearing Nebraska gear. Great week in Philly!
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Tift County, GA teachers analyze structures of problems to predict misconceptions during OGAP Proportionality.
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Whale Branch, SC teachers diving deep into student thinking at OGAP training! The best teaching starts with understanding how kids think! 📷📷
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Prince George's County is mindblown by OGAP! "It will completely blow your mind, in the BEST way possible, regarding multiplication and its underlying role in conceptual math understanding!!"
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