Tim Brzezinski
@tbrzezinski.bsky.social
MS & HS math teacher at ESUMS (New Haven, CT), independent #MathEd consultant, dad of 4 awesome boys; Views are my own. Isaiah 40:31
Getting ready for back-to-school night at ESUMS
September 24, 2025 at 4:48 PM
Getting ready for back-to-school night at ESUMS
Happy 3^2 / 4^2 / 5^2 Day! youtube.com/shorts/2arB4... #edusky
September 16, 2025 at 8:49 PM
Happy 3^2 / 4^2 / 5^2 Day! youtube.com/shorts/2arB4... #edusky
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
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
Temperature logic? 🤔
August 16, 2025 at 1:44 PM
Temperature logic? 🤔
Math teachers: When it comes to fostering procedural fluency through a conceptual lens, Graspable Math is an absolute game changer! youtube.com/shorts/5N1nJ...
August 4, 2025 at 1:15 PM
Math teachers: When it comes to fostering procedural fluency through a conceptual lens, Graspable Math is an absolute game changer! youtube.com/shorts/5N1nJ...
Period of parent cosine and tangent functions: youtube.com/shorts/ybE9U... & youtube.com/shorts/F4Jdl... #mathteacher #edusky
August 3, 2025 at 2:00 PM
Period of parent cosine and tangent functions: youtube.com/shorts/ybE9U... & youtube.com/shorts/F4Jdl... #mathteacher #edusky
Triangle + 2 squares surprise: youtube.com/shorts/1EY-_...
August 2, 2025 at 1:53 PM
Triangle + 2 squares surprise: youtube.com/shorts/1EY-_...
Neat triangle phenomenon! youtube.com/shorts/fQ5qy...
July 25, 2025 at 1:46 PM
Neat triangle phenomenon! youtube.com/shorts/fQ5qy...
July 24, 2025 at 11:35 PM
Surprise in every quadrilateral with perpendicular diagonals youtube.com/shorts/PTJcw...
July 24, 2025 at 3:51 PM
Surprise in every quadrilateral with perpendicular diagonals youtube.com/shorts/PTJcw...
July 23, 2025 at 6:13 PM
Integrating technology in a 6-12 thinking classroom (quick 1:00 clip) youtu.be/jMZynDueYjk?... @peterliljedahl.bsky.social @btcthinks.bsky.social #mathteacher #edusky
July 1, 2025 at 8:26 PM
Integrating technology in a 6-12 thinking classroom (quick 1:00 clip) youtu.be/jMZynDueYjk?... @peterliljedahl.bsky.social @btcthinks.bsky.social #mathteacher #edusky
June 10, 2025 at 2:21 PM
100 mph one way. 50 mph going back. Why round-trip average speed IS NOT 75 mph: youtube.com/shorts/MGA_W... #edusky
June 9, 2025 at 4:22 PM
100 mph one way. 50 mph going back. Why round-trip average speed IS NOT 75 mph: youtube.com/shorts/MGA_W... #edusky
Excited to continue using EdTech to empower Ss to actively explore, discover, & THINK as I further integrate it in BTC practices. Here, the start of a new workshop for 2025 BTC conference in Seattle, & one I'll virtually facilitate later this yr. @peterliljedahl.bsky.social @btcthinks.bsky.social
June 6, 2025 at 4:33 PM
Excited to continue using EdTech to empower Ss to actively explore, discover, & THINK as I further integrate it in BTC practices. Here, the start of a new workshop for 2025 BTC conference in Seattle, & one I'll virtually facilitate later this yr. @peterliljedahl.bsky.social @btcthinks.bsky.social
June 5, 2025 at 11:53 AM
Quick proof as to why the exterior angles of a polygon sum to 360 degrees youtube.com/shorts/aTyJk...
June 3, 2025 at 1:38 PM
Quick proof as to why the exterior angles of a polygon sum to 360 degrees youtube.com/shorts/aTyJk...
Polygon exterior angles - Quick lesson illustration: youtube.com/shorts/9R645... #math #maths #geometry #edusky
June 2, 2025 at 1:35 PM
Polygon exterior angles - Quick lesson illustration: youtube.com/shorts/9R645... #math #maths #geometry #edusky
It’s June. Get your upper elementary & middle school students doing some mental math outside & play some integer frisbee! Here’s how: youtube.com/shorts/tesO_... #mathteacher #math #teacher #edusky
June 1, 2025 at 7:41 PM
It’s June. Get your upper elementary & middle school students doing some mental math outside & play some integer frisbee! Here’s how: youtube.com/shorts/tesO_... #mathteacher #math #teacher #edusky
Making sense of polygon angles youtube.com/shorts/W7l18...
May 30, 2025 at 11:23 AM
Making sense of polygon angles youtube.com/shorts/W7l18...
Triangle with 120 degree angle surprise! youtube.com/shorts/2Muq6...
May 28, 2025 at 12:19 PM
Triangle with 120 degree angle surprise! youtube.com/shorts/2Muq6...
May 27, 2025 at 5:15 PM
May 23, 2025 at 12:38 PM
In-class parallelogram exploration: youtube.com/shorts/tdFDB...
May 19, 2025 at 5:17 PM
In-class parallelogram exploration: youtube.com/shorts/tdFDB...
May 19, 2025 at 12:40 PM