#BTCthinks
Ready for 4th Annual Building Thinking Classrooms Conference, hosted by Partners for Educational Leadership?

SAVE THE DATES!
🗓 June 29–30, 2026
📍 New Haven, CT

✨ Submit a proposal by November 30: btcc2026.sched.com
✅️ Register for updates!

#btcthinks #thinkingclassrooms #iteachmath
November 6, 2025 at 1:08 AM
Celebrating 5 yrs since Building Thinking Classrooms in Mathematics, Grades K-12 was published!

🌍 The book has sparked a movement, been translated into 15 languages & inspired classrooms everywhere.

Here’s to curious minds, thinking deeply and bravely!

#btcthinks #iteachmath
November 3, 2025 at 11:39 AM
Mathematics Tasks for the Thinking Classroom (6-12), @pgliljedahl.bsky.social & @webbkyle.bsky.social's new book, is shipping globally!

✅ 20 Non-Curricular Tasks
✅ 30 Curricular Tasks
✅ Tips for moving from page to practice

Get discounts here: linktr.ee/btcthinks
#thinkingclassrooms #btcthinks
October 27, 2025 at 1:35 AM
Build your Thinking Classroom LIVE with @peterliljedahl.bsky.social through Rocket PD:

➡️ 1st session on Oct 29
➡️ 5 sessions on Zoom (recorded)
➡️ Click here to learn more and to register: rocketpd.com/cohorts/buil...?

#thinkingclassrooms #btcthinks #buildingthinkingclassrooms #iteachmath #MTBoS
October 7, 2025 at 12:39 AM
Welcome to v 5.0 of the BTC Auto Grading Rubric: OLD BUGS ARE GONE & lots of slick new features have been added, T/Y to Melisa McCain's creative genius! More: youtu.be/_KPXVp7fp-k @peterliljedahl.bsky.social @btcthinks.bsky.social #mathteacher #btcthinks #edusky
September 16, 2025 at 5:47 PM
Registration for grassrootsworkshops.com/workshops/bu... opens up this Friday, September 19th!
We are super excited to share this video-based, self paced workshop with you! #btcthinks
@peterliljedahl.bsky.social @robertkaplinsky.com @mikeflynn55.bsky.social @btcthinks.bsky.social
Building Thinking Classrooms ™ - Grassroots Workshops
Build your own Thinking Classroom using 14 research-based practices that empower students to collaborate, persevere, and think deeply and critically.
grassrootsworkshops.com
September 15, 2025 at 12:32 AM
Peter Liljedahl and Mike Flynn will be hosting a live webinar about #BTCthinks.

Join Peter, Mike and classroom educators on Sept. 18 at 5:00 PM PST for a live conversation.

Registration is FREE for anyone to attend!

Register here:
www.buildingthinkingclassrooms.com/webinar

#MTBoS
#iteachmath
September 6, 2025 at 10:14 PM
Exciting news!

Mathematics Tasks for The Thinking Classroom, Grades 6-12 is in production and available for pre-order, with a publication date of early October!

Pre-order your copy here: corwin.com/books/btc-ma...

#btcthinks #iteachmath #MTBoS #thinkingclassrooms
June 26, 2025 at 3:55 AM
This was an encouraging email to receive this weekend!

#btcthinks
#onted
#ENG2D
April 28, 2025 at 2:39 AM
I've been taking a @btcthinks.bsky.social approach to teaching English this year.

Here's a task we did to uncover informal essay writing processes and thinking:

aledaklassened.wordpress.com/2025/04/18/6...

#btcthinks
@pgliljedahl.bsky.social

#onted #ENG2D
Thinking about the Thinking behind Informal Essay Writing
I recently learned about the New York Times’ series, “Annotated by the Author,” from a colleague at another school. In the series, writers share the thinking and approaches they t…
aledaklassened.wordpress.com
April 19, 2025 at 12:17 PM
Here's an activity we did to prep for the #OSSLT's series of opinion paragraphs. The same activity could be used for any writing task.

#ENG2D
#onted
#btcthinks
#thinkingclassroom
#assessmentandevaluation

aledaklassened.wordpress.com/2025/04/06/p...
Prepping for the OSSLT: BTC Style
For some reason, this year, a year when I’m back in the classroom after a two year stint as a consultant with the WRDSB, I’ve elected to teach the two grades that also have EQAO testing…
aledaklassened.wordpress.com
April 6, 2025 at 4:49 PM
I've been trying to implement more of the #btcthinks framework this year. I think I've adopted & adapted a routine that helps students understand where they are, where the need to go, and how to get there.

It's not perfect.

#thinkingclassroom
#onted

aledaklassened.wordpress.com/2025/03/30/m...
My Take on a BTC Navigation Tool
If you’re not familiar with “BTC,” it stands for Building Thinking Classrooms and is a set of practices researched and developed by Peter Liljedahl that foster thinking (not mimic…
aledaklassened.wordpress.com
March 31, 2025 at 1:22 PM
If you’re looking for online summer PD to boost student thinking and engagement, I am leading two live-virtual BTC cohorts with RocketPD this July/August - one on Math and the other Cross-Curricular. Join me in getting students to think. #BTCthinks rocketpd.com/instructor/d...
Peter Liljedahl presents Building Thinking Classrooms | RocketPD
Join Building Thinking Classrooms creator Peter Liljedahl (live) as he walks you and your team through a step-by-step process promoting thinking & collaboration among students.
rocketpd.com
March 25, 2025 at 1:54 PM
If you’re looking for online summer PD to boost student thinking and engagement, I am leading two live-virtual BTC cohorts with RocketPD this July/August - one on Math and the other Cross-Curricular. Join me in getting students to think. #BTCthinks rocketpd.com/instructor/d...
Peter Liljedahl presents Building Thinking Classrooms | RocketPD
Join Building Thinking Classrooms creator Peter Liljedahl (live) as he walks you and your team through a step-by-step process promoting thinking & collaboration among students.
rocketpd.com
March 25, 2025 at 1:54 PM
I'm heading to Australia in August and am excited to partner with the Australian Association of Mathematics Teachers for two workshops on Leadership for Building Thinking Classrooms. [1/3] #BTCthinks
March 23, 2025 at 2:58 PM
Grading in a thinking classroom:
Insightful discussions yesterday at Association of Math Teachers in Massachusetts annual conference. youtube.com/shorts/2Knmk... @pgliljedahl.bsky.social @btcthinks.bsky.social #BTCthinks #mathteacher #edusky
March 21, 2025 at 2:41 PM
Here, a fun thinking classroom discussion today with a group of students as we began to explore conceptual meanings of trigonometric ratios within a right triangle context: youtube.com/shorts/HmIJ2... @peterliljedahl.bsky.social @btcthinks.bsky.social #mathteacher #btcthinks #edusky
March 12, 2025 at 5:57 PM
Struggling to get students talking? Try Frequent Visibly Random Grouping!

🔀 Change groups often
🔢 Ideal group size: 3 (or 2 for littles)
🔄 Make it a regular routine
🃏 Cards work best!

Tried #FVRGs? Share your experience!

#BuildingThinkingClassrooms #BTCthinks #ITeachMath #MTBoS
February 21, 2025 at 3:42 PM
Had the pleasure of observing 7th grade classrooms today doing thin slicing! Two step equations with decimals. The task was actually out of the BTC green book for elementary but very relevant to their current unit. #iteachmath #btcthinks
February 5, 2025 at 6:11 PM
In the mathematics classroom, technology can serve as a powerful platform to help students explore & discover even the simplest things. youtube.com/shorts/1pvrM... @peterliljedahl.bsky.social #MTBoS #ITeachMath #BTCthinks @btcthinks.bsky.social #mathteacher #EduSky
#edtech can be a powerful tool in #mathclass : Great for active exploration & discovery learning!
YouTube video by Tim Brzezinski
youtube.com
February 4, 2025 at 9:03 PM
You know you're a @btcthinks.bsky.social teacher when you have laundry to do.

#btcthinks
#buildingthinkingclassrooms
January 29, 2025 at 8:24 PM
Tried the 4-quadrant notes in Algebra 1 today. Student says, “I like this. It makes the notes more meaningful.” A #buildingthinkingclassrooms win! #BTCthinks
January 28, 2025 at 10:43 PM
What does it mean for a polygon to be convex? Concave? Here, a quick example of how Ts can have Ss use technology as a tool for exploration in a thinking classroom. youtube.com/shorts/FlN7j... & tinyurl.com/CVXCCVggb #MTBoS #ITeachMath #BTCthinks #ICTM25 @btcthinks.bsky.social
January 26, 2025 at 2:40 PM
We had valuable conversations between secondary math department chairs and administrators as we observed authentic productive struggle in math classrooms! #iteachmath #BTCthinks
January 24, 2025 at 2:59 PM