Tim Brzezinski (@TimBrzezinski) | Aguea

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Tim Brzezinski @TimBrzezinski

16 Sep 2025

Welcome to v 5.0 of the BTC auto-grading rubric: OLD BUGS ARE GONE & lots of slick new features have been added! Shout out & T/Y to @mccainm's for her creative genius re: making this possible. More: youtu.be/_KPXVp7fp-k. @pgliljedahl @BTCthinks #MTBoS #ITeachMath #btcthinks

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David Petro @davidpetro314

May 10

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/202… Links and help from @edutopia @mathsjem @TimBrzezinski @howie_hua #MathChat #iTeachMath #MTBoS

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Tim Brzezinski @TimBrzezinski

May 7

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Abakcus

@abakcus

May 7

Juggler juggling juggling jugglers.

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Tim Brzezinski @TimBrzezinski

May 7

Integrating technology in a thinking classroom. Here, exploring the conceptual meanings of trig ratios with a right triangle context through the lens of similarity. @BTCthinks @pgliljedahl #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

May 1

Start of a #ThinkingClassroom thin slice in #geometry class yesterday. @pgliljedahl @BTCthinks #buildingthinkingclassrooms

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Tim Brzezinski @TimBrzezinski

Apr 30

Excited to facilitate "Integrating Technology in a 6-12 Thinking Classroom" w/ @pgliljedahl at #NCTMDEN26. Experience how tech can serve as an exploratory & coding tool, & leave w/tasks where tech can help foster fluency, enhance discovery, and provide hints and extensions!

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Tim Brzezinski @TimBrzezinski

Feb 16

Vertical angles theorem. @GraspableMath whiteboard link - see description in youtube.com/shorts/002P5H_GM… #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Feb 14

.@GraspableMath whiteboard: Supplementary angles resource. Link in description here: youtube.com/shorts/QsUIwuaFy… #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Feb 13

Super simple, real-life example that shows how 2^0 =1. youtube.com/shorts/uFgnkkTkk…

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Tim Brzezinski @TimBrzezinski

Feb 12

Quick scaffolded support for students who need it: @GraspableMath whiteboard - here with finding distance in the coordinate plane. Link in description here: youtube.com/shorts/TN-8nwt_7… #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Feb 12

Math Ts: @GraspableMath whiteboard helps students with procedural fluency big time — without doing the thinking for them. Link in description here: youtube.com/shorts/SrI24LU5u… #MTBoS #ITeachMath #mathteacher

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Tim Brzezinski @TimBrzezinski

Feb 12

Math Teachers: @GraspableMath whiteboard is a powerful tool to help students work with arithmetic & algebraic expressions. Shown here with rationalizing denominators. Link in description here: youtube.com/shorts/YMvlN_d_l… #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Jan 28

Using simple 5th-grade logic to explain why e^(ln(x)) = x. youtube.com/shorts/xBKn568vF… #mathematics #mathteacher #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Jan 27

Isosceles triangle surprise 👀 youtube.com/shorts/9KIQ0fZNx…

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Tim Brzezinski @TimBrzezinski

Jan 27

Making sense of distributing a negative coefficient: youtube.com/shorts/-0_udG8px… #MTBoS #ITeachMath

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David Petro @davidpetro314

Jan 25

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/202… links and help from @TimBrzezinski @howie_hua and more #MathChat #MTBoS #iTeachMath

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Tim Brzezinski @TimBrzezinski

Jan 23

Circle, diameter, tangent, secant, & chord surprise 👀 youtube.com/shorts/FDS-csT9G… & geogebra.org/m/a4W7Szmx @geogebra #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Jan 22

Cylinder surface area. If seeing is believing 👀 Links: geogebra.org/m/rCxXxFhE & an Open Middle exercise: geogebra.org/m/wkcgyxex & youtube.com/shorts/hX5Oe7yB3… @geogebra #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Jan 22

Making sense with adding expressions in #algebra. Shown here in @GraspableMath’s whiteboard: activities.graspablemath.com… & youtube.com/shorts/3S3P6mxJX… #mathteacher #MTBoS #ITeachMath

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Tim Brzezinski @TimBrzezinski

Jan 21

No tech. Just paper. Pure simplicity. Here, an effective means for students to explore any polygon’s exterior angles. #mathematics #geometry

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