Tim Brzezinski
@TimBrzezinski
MS & HS math teacher at @esumstweet, independent #MathEd consultant, dad of 4 awesome boys; Views are my own. Isaiah 40:31
Welcome to v4.0 of the BTC auto grading rubric: Ss can now EASILY SEE where they are and where they're going! Check out these updates: youtu.be/LYFItnkMIzo Get your new copy here & feel free to explore the new site: tinyurl.com/BTCrubric @mccainm @pgliljedahl @BTCthinks
Happy Pythagorean Triple Day! Why it is today: youtube.com/shorts/9H3c8fu…
Surprise in every quadrilateral with perpendicular diagonals youtube.com/shorts/PTJcwdo…
Mean, median, mode: Quick illustrator. Full (YouTube) video (2:00): youtube.com/shorts/-Bifzkp… #MTBoS #ITeachMath
Me? Typos? Never… When you save your graph, the link now automatically updates with your latest saved edits. Learn more about saving and sharing your graphs in the Desmos Help Center: help.desmos.com/hc/en-us/artic… #iteachmath
The 6-12 Task book available for pre-order. For US teachers use code SAVE20 at Corwin (bit.ly/3TDLPlC) to receive 20% off your order! For Canadian teachers use code TASKS20 at UTP (bit.ly/3Iqhp3S) to receive 20% off your order!
New post: Permission to Go Off Script Building Thinking Classrooms practices are powerful—but they’re not all-or-nothing fawnnguyen.substack.com/p/permission-t…
Integrating technology in a 6-12 thinking classroom (quick 1:00 clip): youtu.be/jMZynDueYjk?fe… @pgliljedahl @BTCthinks #MTBoS #ITeachMath
Did someone say folders?! 📂 You now have more options when saving and sharing.🎉 Access all your saved graphs across tools in a refreshed view. Share your graphs with more control. Quickly switch between tools. And did we mention folders? 🗒️ Learn more: help.desmos.com/hc/en-us/artic…
We are happy to announce that the Math Tasks for the Thinking Classroom: Grades 6-12 (co-authored with @webbkyle ) is now available for pre-order through @CorwinPress. This book contains 20 non-curricular lessons and 30 curricular thin-sliced lessons. corwin.com/books/btc-math…
Have a graph idea that's outside of the box? Add variables to the definitions of your graph bounds to track a point along a curve, adjust the window using actions, keep a label in the same relative position on your screen, and more. The possibilities are boundless. #iteachmath
Crazy equilateral triangle phenomenon! youtube.com/shorts/HCQ5cpt…
100 mph going forward. 50 mph going back. Why average speed IS NOT 75 mph: youtube.com/shorts/UHBjfiB… #MTBoS #ITeachMath
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2025/06/math-l… links and help from @TheErickLee @howie_hua @TimBrzezinski and more #MathChat #MTBoS #iTeachMath
Excited to continue using EdTech to empower Ss to actively explore, discover, and THINK as I further integrate it within BTC practices. Here, the start of a new workshop for the 2025 BTC conference in Seattle, & one I'll virtually facilitate later this yr. @pgliljedahl @BTCthinks
In case you missed the announcement, the 2025 Polypad Art and Music Contest is on-going! Looking for a great end-of-year activity? This is the perfect thing. Learn more at polypad.amplify.com/contest
Can you solve this? 🤔 Solution: youtube.com/shorts/qFh0f4c…
Quick proof as to why the exterior angles of a polygon sum to 360 degrees youtube.com/shorts/aTyJkCO…
Circle: From area to circumference youtube.com/shorts/rod8__A… @GraspableMath
Polygon exterior angles: Quick lesson illustration. YT link: youtube.com/shorts/9R645x9…