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Monday, June 29
 

9:35am EDT

Techniques for Thin-Slicing Building Thinking Classroom Tasks
Monday June 29, 2026 9:35am - 11:45am EDT
We will explore three techniques for thin-slicing, which the teachers at our school have dubbed: sliced complexity, sliced chunks, and sliced scaffolds. Participants will come away with an understanding of how and why to use each each technique, and how to blend them in order to build their toolkit for thin-sliced Building Thinking Classroom tasks that are accessible, engaging, and sequenced to lead students from the familiar to the new while fostering autonomy.
Speakers
JG

Joe Grogan

Math Teacher, Academy for Careers in Television and Film
SA

Shaziya Agron-Ali

Math Teacher, Academy for Careers in Television and Film
GT

Gerald Tabaosares

Math Teacher, NYC Dept of Education
Monday June 29, 2026 9:35am - 11:45am EDT
Cooperative Arts and Humanities High School - Room 302 177 College St, New Haven, CT 06510, USA

9:35am EDT

The Proof Is in the Practice: Geometry as the Ultimate Thinking Classroom
Monday June 29, 2026 9:35am - 11:45am EDT
I hope participants will leave with a renewed vision of what geometry and proof can be in a Thinking Classroom. They will see how BTC routines can support not just content understanding, but also meta-cognitive thinking, logical reasoning, and epistemic awareness.Participants will walk away with:A concrete progression for scaffolding proof through BTC practicesIdeas for embedding informal argumentation starting from the first day of classA rationale for teaching formal logic as a bridge to deductive proofAn understanding of how Euclidean geometry supports epistemological developmentAnd an open invitation to connect with me and others in this work, to share ideas, materials, and continue growing a community of educators committed to reimagining geometry through the principles of BTC
Monday June 29, 2026 9:35am - 11:45am EDT
Cooperative Arts and Humanities High School - Room 405 177 College St, New Haven, CT 06510, USA
  Teaching, Medium

10:50am EDT

Consolidating Thick Slices: Making Rich Problems Stick
Monday June 29, 2026 10:50am - 11:45am EDT
This session highlights the often overlooked power of consolidation: the final minutes where students make sense of their strategies, connect ideas from rich problems, and formalize their learning. Participants will see classroom examples, learn practical consolidation routines, and walk away with strategies that help students retain and apply their thinking long after the task is over.
Speakers
avatar for Robin Kubasiak

Robin Kubasiak

Implementation Support Specialist, CPM Educational Program
Robin is currently an Implementation Support Specialist at CPM Educational Program. Robin has taught mathematics at both middle school and high school levels for 25 years. She has a passion for mathematics education and continues to innovate her teaching with research based routines... Read More →
Monday June 29, 2026 10:50am - 11:45am EDT
Cooperative Arts and Humanities High School - Room 240 177 College St, New Haven, CT 06510, USA

10:50am EDT

Crafting Consolidation and Closure in a Secondary Thinking Classroom
Monday June 29, 2026 10:50am - 11:45am EDT
By the end of this session, participants will:Have experienced a secondary thinking classroom, with a focus on what it looks, sounds and feels like for student thinking to be elevated. (~20 minutes)Engage in thoughtful conversations about selecting and sequencing student work to move toward a clear learning outcome. (~10 minutes)Develop an intentional approach for asking "just right questions" to consolidate student thinking. (~10 minutes)Developed some facility to think metacognitively about the role of consolidation and closure in supporting student understanding. (~10 minutes.)Create a personalized action plan to implement consolidation and closure strategies in their own classrooms. (~10 minutes)Gain strategies for inviting, encouraging, and supporting collaborative group work strategies in secondary classrooms. (throughout)
Speakers
avatar for Elizabeth Kielty

Elizabeth Kielty

Facilitator & Research Analyst, All Learners Network
As a facilitator with All Learners Network, I am passionate about helping educators implement effective, evidence-based instructional strategies that foster conceptual understanding and empower students to become confident, independent learners. With over 13 years of experience in... Read More →
Monday June 29, 2026 10:50am - 11:45am EDT
Cooperative Arts and Humanities High School - Room 326 177 College St, New Haven, CT 06510, USA

1:20pm EDT

Equitable Engagement: How BTC strengthens learning in the IB MYP
Monday June 29, 2026 1:20pm - 2:15pm EDT
I hope participants will walk away with an understanding of how they can take a lesson that meets all IB-MYP requirements and seamlessly incorporate BTC techniques.
Speakers
avatar for Samantha Sewpersaud

Samantha Sewpersaud

Teacher, CIS 303/NYC DOE

DS

Danielle Sargent

Teacher, CIS 303
Monday June 29, 2026 1:20pm - 2:15pm EDT
Cooperative Arts and Humanities High School - Room 326 177 College St, New Haven, CT 06510, USA

2:35pm EDT

My Math, My Story: Amplifying Confidence, Identity, and Belonging in the Elementary Thinking Classroom
Monday June 29, 2026 2:35pm - 3:30pm EDT
How students see themselves in math shapes not only what they learn, but how they engage, persevere, and grow. As Liesl McConchie notes, “A student’s emotional relationship with math is foundational to their cognitive relationship with math.” In this session, participants will explore practical strategies to help students author their own math stories—stories of confidence, competence, and belonging. Through hands-on examples and reflective activities, teachers will leave equipped to create classroom experiences that nurture positive mathematical identities, strengthen student agency, and make every learner feel seen, valued, and capable beyond what the thinking classroom already provides.
Speakers
avatar for Tammy McMorrow

Tammy McMorrow

teacher, Cynthia Mann Elementary, Boise School District
Tammy McMorrow has been teaching first grade for 32 years in Kuna, Idaho. In 2022 she began building a thinking classroom inspired by the work of Peter Liljedahl and was quickly won over by its magic and messiness. Determined to start a movement, she created a Facebook page for K-2... Read More →
Monday June 29, 2026 2:35pm - 3:30pm EDT
Cooperative Arts and Humanities High School - Room 301 177 College St, New Haven, CT 06510, USA
  Teaching, Medium

2:35pm EDT

Using BTC when Students have Unfinished Learning: Situating Mathematics in Contexts Worth Exploring
Monday June 29, 2026 2:35pm - 3:30pm EDT
There are two main objectives. 1) Participants will explore tasks that utilize tangible contexts - a scaffold to help students make sense of abstract mathematical procedures. 2) Participants will identify next-steps in their own practice to improve the rich tasks and thin slices that they utilize in their classrooms in an effort to create access for more students.
Speakers
avatar for Brandon Pelter

Brandon Pelter

Teacher, Bridgeport Public Schools

Monday June 29, 2026 2:35pm - 3:30pm EDT
Cooperative Arts and Humanities High School - Room 329 177 College St, New Haven, CT 06510, USA
  Teaching, Medium
  • Grade Level or Subject Area Algebra
 

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