Kirk Keating
@ksquaredmathns.bsky.social
Reposted by Kirk Keating
Check out the latest episode of the @thinkthankthunk.ca podcast to hear me rant about inquiry-based vs. explicit instruction and how they fit:
thinkthankthunk.ca/ep-27/
or wherever you get your pods.
thinkthankthunk.ca/ep-27/
or wherever you get your pods.
Ep 27 - Jason To - Think Thank Thunk
Jason To joins Kyle to bridge the gap between cognitive science and Thinking Classrooms. Learn how cognitive load and collective memory may help explain why Building Thinking Classrooms works.
thinkthankthunk.ca
November 15, 2025 at 6:00 PM
Check out the latest episode of the @thinkthankthunk.ca podcast to hear me rant about inquiry-based vs. explicit instruction and how they fit:
thinkthankthunk.ca/ep-27/
or wherever you get your pods.
thinkthankthunk.ca/ep-27/
or wherever you get your pods.
Reposted by Kirk Keating
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
🌍 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
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
🌍 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
Reposted by Kirk Keating
This lesson uses a time lapse thermometer video as a context for discussing integer operations and absolute value. The video should provide some added meaning to the classic temperature drop problem.
robertkaplinsky.com/work/te...
robertkaplinsky.com/work/te...
October 31, 2025 at 7:07 PM
This lesson uses a time lapse thermometer video as a context for discussing integer operations and absolute value. The video should provide some added meaning to the classic temperature drop problem.
robertkaplinsky.com/work/te...
robertkaplinsky.com/work/te...
Reposted by Kirk Keating
Want to challenge your Geometry students to find the area of triangles? Try out this Open Middle problem from Dan Wulf. www.openmiddle.com/area-of-...
October 30, 2025 at 12:10 AM
Want to challenge your Geometry students to find the area of triangles? Try out this Open Middle problem from Dan Wulf. www.openmiddle.com/area-of-...
Reposted by Kirk Keating
Interested in learning more about the FREE Polypad Virtual Manipulatives from @amplifyeducation.bsky.social? Sign up for the next Polypad webinar on Nov 5th at 7 PM ET. Even if you can’t make it, sign up to receive a link to the recording. tinyurl.com/5fb4m48z
October 26, 2025 at 8:51 PM
Interested in learning more about the FREE Polypad Virtual Manipulatives from @amplifyeducation.bsky.social? Sign up for the next Polypad webinar on Nov 5th at 7 PM ET. Even if you can’t make it, sign up to receive a link to the recording. tinyurl.com/5fb4m48z
Reposted by Kirk Keating
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
✅ 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
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
✅ 20 Non-Curricular Tasks
✅ 30 Curricular Tasks
✅ Tips for moving from page to practice
Get discounts here: linktr.ee/btcthinks
#thinkingclassrooms #btcthinks
Reposted by Kirk Keating
The morning sessions on #RichMathTasks at #NSMTA2025 went great. Wonderful participation from everyone!
October 24, 2025 at 4:09 PM
The morning sessions on #RichMathTasks at #NSMTA2025 went great. Wonderful participation from everyone!
Math is figureoutable with @pwharris.bsky.social. lots of additive & multiplicative reasoning through problem strings to help us
construct strategies, models, and concepts.
@nsmta.bsky.social
#NSMTA2025
construct strategies, models, and concepts.
@nsmta.bsky.social
#NSMTA2025
October 24, 2025 at 2:05 PM
Math is figureoutable with @pwharris.bsky.social. lots of additive & multiplicative reasoning through problem strings to help us
construct strategies, models, and concepts.
@nsmta.bsky.social
#NSMTA2025
construct strategies, models, and concepts.
@nsmta.bsky.social
#NSMTA2025
Reposted by Kirk Keating
Looking forward to presenting tomorrow on #MathRichTasks at #NSMTA2025.
October 23, 2025 at 11:39 PM
Looking forward to presenting tomorrow on #MathRichTasks at #NSMTA2025.
Reposted by Kirk Keating
Kelly Power, presenting on Creating Leveled Assessments at #NSMTA2025.
October 24, 2025 at 1:52 PM
Kelly Power, presenting on Creating Leveled Assessments at #NSMTA2025.
Reposted by Kirk Keating
Tomorrow is the day! The #NSMTA2025 conference will bring together 800 mathematics teachers from across Nova Scotia. A great day to connect, learn and share. #ITeachMath
October 23, 2025 at 11:21 PM
Tomorrow is the day! The #NSMTA2025 conference will bring together 800 mathematics teachers from across Nova Scotia. A great day to connect, learn and share. #ITeachMath
Reposted by Kirk Keating
Have you seen #ObserveMe but want to learn more? Check out these links:
What it is: robertkaplinsky.com/observeme
Ignite talk on it: robertkaplinsky.com/observe...
Interviews with teachers: robertkaplinsky.com/tag/obs...
Pro tips: robertkaplinsky.com/trouble...
What it is: robertkaplinsky.com/observeme
Ignite talk on it: robertkaplinsky.com/observe...
Interviews with teachers: robertkaplinsky.com/tag/obs...
Pro tips: robertkaplinsky.com/trouble...
October 23, 2025 at 10:34 PM
Have you seen #ObserveMe but want to learn more? Check out these links:
What it is: robertkaplinsky.com/observeme
Ignite talk on it: robertkaplinsky.com/observe...
Interviews with teachers: robertkaplinsky.com/tag/obs...
Pro tips: robertkaplinsky.com/trouble...
What it is: robertkaplinsky.com/observeme
Ignite talk on it: robertkaplinsky.com/observe...
Interviews with teachers: robertkaplinsky.com/tag/obs...
Pro tips: robertkaplinsky.com/trouble...
Reposted by Kirk Keating
Can your high school students create a parallelogram, triangle, or rectangle by listing their points when given one? Find out using these three Open Middle problem from Bryan Anderson.
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
October 20, 2025 at 10:33 PM
Can your high school students create a parallelogram, triangle, or rectangle by listing their points when given one? Find out using these three Open Middle problem from Bryan Anderson.
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
www.openmiddle.com/creating...
Reposted by Kirk Keating
[New Post] Ontario Math Links - My favourite #math related links from this week:
ontariomath.blogspot.com/2025/10/math...
Links and help from @howiehua.bsky.social @looneymath.bsky.social @mnmmath.bsky.social @abeljennifer.bsky.social @benjamindickman.bsky.social &more
#MathChat #MTBoS #iTeachMath
ontariomath.blogspot.com/2025/10/math...
Links and help from @howiehua.bsky.social @looneymath.bsky.social @mnmmath.bsky.social @abeljennifer.bsky.social @benjamindickman.bsky.social &more
#MathChat #MTBoS #iTeachMath
October 19, 2025 at 6:38 PM
[New Post] Ontario Math Links - My favourite #math related links from this week:
ontariomath.blogspot.com/2025/10/math...
Links and help from @howiehua.bsky.social @looneymath.bsky.social @mnmmath.bsky.social @abeljennifer.bsky.social @benjamindickman.bsky.social &more
#MathChat #MTBoS #iTeachMath
ontariomath.blogspot.com/2025/10/math...
Links and help from @howiehua.bsky.social @looneymath.bsky.social @mnmmath.bsky.social @abeljennifer.bsky.social @benjamindickman.bsky.social &more
#MathChat #MTBoS #iTeachMath
Reposted by Kirk Keating
After watching our book ship worldwide, my own copies finally landed. Surreal to say the least!
So excited about what @pgliljedahl.bsky.social and I created, and even moreso to get this into the hands of teachers!
#buildingthinkingclassrooms @btcthinks.bsky.social
So excited about what @pgliljedahl.bsky.social and I created, and even moreso to get this into the hands of teachers!
#buildingthinkingclassrooms @btcthinks.bsky.social
October 19, 2025 at 10:28 PM
After watching our book ship worldwide, my own copies finally landed. Surreal to say the least!
So excited about what @pgliljedahl.bsky.social and I created, and even moreso to get this into the hands of teachers!
#buildingthinkingclassrooms @btcthinks.bsky.social
So excited about what @pgliljedahl.bsky.social and I created, and even moreso to get this into the hands of teachers!
#buildingthinkingclassrooms @btcthinks.bsky.social
Reposted by Kirk Keating
✈️ Heading to NCTM?
I’m honored to be presenting again this year!
📅 Thursday, 2:30 PM
🎯 Session Title: Early Algebraic Thinking with Desmos Classroom
Here’s a short preview of the ideas we’ll discuss:
kurtsalisbury.substack.com/p/when-does-...
#mtbos #math @amplifyeducation.bsky.social
I’m honored to be presenting again this year!
📅 Thursday, 2:30 PM
🎯 Session Title: Early Algebraic Thinking with Desmos Classroom
Here’s a short preview of the ideas we’ll discuss:
kurtsalisbury.substack.com/p/when-does-...
#mtbos #math @amplifyeducation.bsky.social
🧩 When Does Algebraic Thinking Begin?
Thinking About “Algebra” Before Algebra
kurtsalisbury.substack.com
October 13, 2025 at 3:58 PM
✈️ Heading to NCTM?
I’m honored to be presenting again this year!
📅 Thursday, 2:30 PM
🎯 Session Title: Early Algebraic Thinking with Desmos Classroom
Here’s a short preview of the ideas we’ll discuss:
kurtsalisbury.substack.com/p/when-does-...
#mtbos #math @amplifyeducation.bsky.social
I’m honored to be presenting again this year!
📅 Thursday, 2:30 PM
🎯 Session Title: Early Algebraic Thinking with Desmos Classroom
Here’s a short preview of the ideas we’ll discuss:
kurtsalisbury.substack.com/p/when-does-...
#mtbos #math @amplifyeducation.bsky.social
Reposted by Kirk Keating
Just submitted a session proposal for OAME 2026. Looking forward to this always fantastic conference. #ITeachMath
Apply now to be a presenter at OAME 2026 - Let’s Talk Math. We are looking for diverse session proposals under the following themes:
Let’s talk equity
Let’s talk assessment
Let’s talk technology
Let’s talk content
Let’s talk pedagogy
We would love to have you!!!! bit.ly/callforproposals2026
Let’s talk equity
Let’s talk assessment
Let’s talk technology
Let’s talk content
Let’s talk pedagogy
We would love to have you!!!! bit.ly/callforproposals2026
October 12, 2025 at 6:13 PM
Just submitted a session proposal for OAME 2026. Looking forward to this always fantastic conference. #ITeachMath
Join us in Moncton NB for the 2026 Building Thinking Classrooms Regional Conference with @peterliljedahl.bsky.social @btcthinks.bsky.social July 6–7, 2026! 🧠📚
💡 Discover practical strategies to spark deep thinking in your classroom
📩 Sign up for updates: tinyurl.com/yc6cfbzk
💡 Discover practical strategies to spark deep thinking in your classroom
📩 Sign up for updates: tinyurl.com/yc6cfbzk
October 12, 2025 at 12:34 PM
Join us in Moncton NB for the 2026 Building Thinking Classrooms Regional Conference with @peterliljedahl.bsky.social @btcthinks.bsky.social July 6–7, 2026! 🧠📚
💡 Discover practical strategies to spark deep thinking in your classroom
📩 Sign up for updates: tinyurl.com/yc6cfbzk
💡 Discover practical strategies to spark deep thinking in your classroom
📩 Sign up for updates: tinyurl.com/yc6cfbzk
Reposted by Kirk Keating
Look what arrived! Just when you thought the K-5 book was big, the 6-12 is even thicker!
I've been through it already and wow—peterliljedahl.bsky.social and @webbkyle.bsky.social really delivered. You want this. 🔥
I've been through it already and wow—peterliljedahl.bsky.social and @webbkyle.bsky.social really delivered. You want this. 🔥
October 10, 2025 at 8:32 PM
Look what arrived! Just when you thought the K-5 book was big, the 6-12 is even thicker!
I've been through it already and wow—peterliljedahl.bsky.social and @webbkyle.bsky.social really delivered. You want this. 🔥
I've been through it already and wow—peterliljedahl.bsky.social and @webbkyle.bsky.social really delivered. You want this. 🔥
Reposted by Kirk Keating
TODAY'S THE DAY! It's one of the coolest dates of our lifetime.
Whether you go by month/day/year or day/month/year, if we write the date as one number, we will get a square number! Both sides can agree that today's date is a square date.
9,272,025=3045²
27,092,025=5205²
Whether you go by month/day/year or day/month/year, if we write the date as one number, we will get a square number! Both sides can agree that today's date is a square date.
9,272,025=3045²
27,092,025=5205²
September 27, 2025 at 7:11 AM
TODAY'S THE DAY! It's one of the coolest dates of our lifetime.
Whether you go by month/day/year or day/month/year, if we write the date as one number, we will get a square number! Both sides can agree that today's date is a square date.
9,272,025=3045²
27,092,025=5205²
Whether you go by month/day/year or day/month/year, if we write the date as one number, we will get a square number! Both sides can agree that today's date is a square date.
9,272,025=3045²
27,092,025=5205²
Reposted by Kirk Keating
At NCTM 2025 Annual Meeting & Exposition, we’re showing how BTC & ICUCARE transform math for learners who’ve been left out.
📢Empowering Marginalized Learners in Mathematics
📅 Oct 18 | 8 AM | Georgia World Congress Center
With Dr. Peter Liljedahl
🔗 www.nctm.org/atlanta2025/...
#NCTM2025 #NCTMATL25
📢Empowering Marginalized Learners in Mathematics
📅 Oct 18 | 8 AM | Georgia World Congress Center
With Dr. Peter Liljedahl
🔗 www.nctm.org/atlanta2025/...
#NCTM2025 #NCTMATL25
September 24, 2025 at 6:00 PM
At NCTM 2025 Annual Meeting & Exposition, we’re showing how BTC & ICUCARE transform math for learners who’ve been left out.
📢Empowering Marginalized Learners in Mathematics
📅 Oct 18 | 8 AM | Georgia World Congress Center
With Dr. Peter Liljedahl
🔗 www.nctm.org/atlanta2025/...
#NCTM2025 #NCTMATL25
📢Empowering Marginalized Learners in Mathematics
📅 Oct 18 | 8 AM | Georgia World Congress Center
With Dr. Peter Liljedahl
🔗 www.nctm.org/atlanta2025/...
#NCTM2025 #NCTMATL25
Reposted by Kirk Keating
Proofing #SubtractionbyHeart! The new cards are looking lovely :-)
We should have these out by early 2026!
#iteachmath #mtbos
We should have these out by early 2026!
#iteachmath #mtbos
September 24, 2025 at 10:01 PM
Proofing #SubtractionbyHeart! The new cards are looking lovely :-)
We should have these out by early 2026!
#iteachmath #mtbos
We should have these out by early 2026!
#iteachmath #mtbos
Reposted by Kirk Keating
I'm excited to present a free webinar on September 30. Register here: heinemann.zoom.us/webinar/regi...
September 23, 2025 at 10:07 PM
I'm excited to present a free webinar on September 30. Register here: heinemann.zoom.us/webinar/regi...
Reposted by Kirk Keating
Did you know that we can visually see why sqrt(40)=2sqrt(10)? Let's see how we can visualize rewriting square roots!
September 21, 2025 at 2:08 PM
Did you know that we can visually see why sqrt(40)=2sqrt(10)? Let's see how we can visualize rewriting square roots!