[New Post] Ontario Math Links - My Favourite #math related links from this week: ontariomath.blogspot.com/2026/04/math... Links and help from @howiehua.bsky.social @karencampe.bsky.social @mathsjem.bsky.social @mathsvault.bsky.social @tilefarmer.bsky.social and more #MathChat #MTBoS #iTeachMath

Math-y bumper stickers (spotted at a stoplight). What do you notice? What do you wonder? #iTeachMath #NoticeWonder

The April #ProblemSolving Calendar is posted & that's no fooling!! Plus March solutions as well. Share your working out & thoughts here or on the post. #iTeachMath #MTBoS #MathsToday #RecreationalMath #MathSky karendcampe.wordpress.com/2026/04/01/a...

Hi there #iTeachMath folks. Need probability help: If 1 snack jar has 12 cookies & 6 pretzels, 2nd jar has 9 cookies & 8 pretzels, if I choose 1 item, what is P(pretzel)?? Is it (1/2)(6/18) + (1/2)(8/17) bc have to choose jar before item? Or (6+8)/(18+17) bc pretzel/total? seems wrong bc not 1 jar

Hi #ElemMathChat the Math Routine Collaborative might interest you! 2.5 hours away today (sign up at strongermath.com/mrc

Join us today at 4 pm EDT!! Learn about using the Same and Different routine in #math class. #iTeachMath #MTBoS

Join us today at 4 pm EDT!! Learn about using the Same and Different routine in #math class. #iTeachMath #MTBoS

Pi day #PiDay is a great day for #ProblemSolving !! Check out the March Calendar of problems and share your working out thoughts here or on the post. #iTeachMath #MTBoS #T3Learns #RecreationalMath #MathSky karendcampe.wordpress.com/2026/03/01/m...

Join us Sunday! Math Routine Collaborative with @sneffleupagus.bsky.social @mathillustrated.bsky.social @mfannie.bsky.social and me! #MTBoS #iTeachMath

I finally lost my shit about so-called AIs, LLMs, enshittification & everything fucking evil that @officialgrammarly.bsky.social is doing. I'm fucking furious, and not just about what 1 company has done. An open letter to Grammarly & the rest of the LLM hype machine www.moryan.com/an-open-lett...

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/03/math... links and help from @karencampe.bsky.social @howiehua.bsky.social @veganjackson.bsky.social and more #MathChat #MTBoS #iTeachMath

#iTeachMath #MTBoS

The March Calendar of Problems is here! Enjoy some #ProblemSolving yourself or with students. Let us know your thoughts & working-out here or on post. #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky #MathsToday karendcampe.wordpress.com/2026/03/01/m...

Solutions now posted for the February Calendar of Problems! Check out the #ProblemSolving fun and stay tuned for March coming tomorrow! #MTBoS #iTeachMath #T3Learns #RecreationalMath karendcampe.wordpress.com/2026/02/01/f...

New blog post! "Reflecting on 10 Years of 'Reflections and Tangents' " Catch up on 10 years of #math posts & consider subscribing so you never miss a new one! #MTBoS #iTeachMath #T3Learns #MathsToday #MathSky karendcampe.wordpress.com/2026/02/26/r...

There is no sense in which a chatbot can "help" with your schoolwork by making it easier; if it is easier, it is less useful for actual learning (effortful practice is HOW WE LEARN) and therefore the chatbot has not helped, but has only hindered.

How about #ProblemSolving #SnowDay? #iTeachMath

Let's do #ProblemSolving Sunday... which of this past week's problems did you try? Here are some from the February calendar (link in 1st comment) #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/02/math... Links and help from @colleenyoung.bsky.social @karencampe.bsky.social @alicekeeler.com @howiehua.bsky.social @johngolden.bsky.social and more #MathChat #MTBoS #iTeachMath

Happy Valentine’s Day! ❤️ What a great day kicking things off as the opening keynote at #T3IC! #MathIsFigureOutAble #MathChat #MTBoS #ITeachMath #T3IC2026

@pwharris keynote at #T3IC telling us Math is Figure-Out-Able, can we find patterns and do some "mathing" to avoid the trap of algorithms. What mental actions are involved in this reasoning? @ticalculators.bsky.social #iTeachMath

Happy multiplication day! 2/13/26 or 13/2/26 When is the next one? How many this month? This year? #MTBoS #iTeachMath #T3Learns

It's almost Valentine's Day, grab some candy conversation hearts and explore exponential models in math class! "I ❤️ Candy Math!" #MTBoS #iTeachMath #T3Learns #MathsToday karendcampe.wordpress.com/2022/02/10/i...

It's almost Valentine's Day, grab some candy conversation hearts and explore exponential models in math class! "I ❤️ Candy Math!" #MTBoS #iTeachMath #T3Learns #MathsToday karendcampe.wordpress.com/2022/02/10/i...

New Blog Post: "Making the Most of Probability!" Doing simulations on the TI84 to enliven probability concepts in math class. #MTBoS #iTeachMath #MathsToday #T3Learns @ticalculators.bsky.social karendcampe.wordpress.com/2026/02/09/m...

It's a SUPER day for #ProblemSolving Sunday! Check out the February Calendar of Problems... which ones did you like from this past week? Share your thinking & working out here or on the post. #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky karendcampe.wordpress.com/2026/02/01/f...

Tomorrow is "e" day if you look at the date as 2-7. Here are some ideas for your high school math class... #MTBoS #iTeachMath karendcampe.wordpress.com/2024/02/07/e...

Lovely #geometry puzzle for your Saturday. Thanks Catriona! #iTeachMath #MTBoS #RecreationalMath #MathsToday

Time for winter #ProblemSolving! Here's the February Calendar of Problems for you and your students. Tell us your working out here or on the post. ENJOY! #MTBoS #iTeachMath #RecreationalMath #MathSky #MathsToday #T3Learns karendcampe.wordpress.com/2026/02/01/f...

Solutions to the January #ProblemSolving Calendar are posted! Stay tuned for February calendar coming tomorrow... #RecreationalMath #MTBoS #iTeachMath #MathSky #MathsToday karendcampe.wordpress.com/2026/01/01/j...

Apparently it's National Puzzle Day! My new favorite puzzle apps are OneUpPuzzle.com - a sudoku variant with extra "fences", and Jigsy.app - a visual grid-filling puzzle with rotation/scaling of pieces to fit. Enjoy! #Puzzles #RecreationalMath #PuzzleDay

Have a #ProblemSolving snow day if school is closed today! #MTBoS #iTeachMath #RecreationalMath

Snowy days are great for #ProblemSolving ! Here's this weekend's calendar problems, I like these bc they have easy entry points for students (& no clear algorithm) Tell your thoughts below or on post, full calendar linked below. #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathsToday #MathSky

Anyone want to do #ProblemSolving Sunday? This is today's problem from the January calendar. Share how you think about this one or any of the problems from past week. [link to full calendar in comments] #MTBoS #iTeachMath #MathSky #MathsToday #RecreationalMath

Rebranding sign charts as "annotated number lines" in #calculus #iTeachMath #MathsToday

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/01/math... Links and help from @karencampe.bsky.social @tbrzezinski.bsky.social @amplifyeducation.bsky.social @ahestenes.bsky.social @priy45hah.bsky.social #MathChat #MTBoS #iTeachMath

Let's do #ProblemSolving Sunday! Here is today's calendar problem... share how you thought about this one (or any others from this past week of the January Calendar of problems. Link below) #iTeachMath #MTBoS #MathSky #RecreationalMath #MathsToday

#iTeachMath #MTBoS #MathSky

New blog post: "Go For Geometry! 8 Congruence Motions" using translation and reflection tools in dynamic #geometry technology. #MTBoS #iTeachMath #T3Learns #MathsToday karendcampe.wordpress.com/2026/01/08/g...

A couple new updates just added to this post from 2017, helping students study productively for #math midterms. #iTeachMath #MTBoS #MathsToday

Are your HS students taking exams this month? Here's some advice for productive studying... #iTeachMath #MTBoS #MathsToday karendcampe.wordpress.com/2017/01/13/e...

Check out these #PlayfulMath resources! #iTeachMath #MTBoS #MathsToday

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/01/math... Links and help from @karencampe.bsky.social @johngolden.bsky.social @helsig.bsky.social and more #MathChat #MTBoS #iTeachMath

#ProblemSolving Sunday... what are your thoughts on today's calendar problem? And check out the entire calendar, link in first comment. #RecreationalMath #MTBoS #iTeachMath #MathsToday

Shall we do some #ProblemSolving this Saturday? Yesterday's calendar problem has several pairs of similar triangles... my idea for a starting point. What do you think? #MTBoS #iTeachMath #MathsToday #RecreationalMath #geometry

Rethinking Schools published my article about pushing back on some of the arguments made by those seeking to rush AI tools into schools.

Happy new #ProblemSolving year! The January Calendar of #math problems is posted!! Enjoy them w/your students or yourself--please share your thinking & solutions here or on the post. #iTeachMath #MTBoS #T3Learns #RecreationalMath #MathSky #MathsToday karendcampe.wordpress.com/2026/01/01/j...

Solutions to the December #ProblemSolving calendar are posted! Be sure to check for January calendar to start the new year. #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky #MathsToday karendcampe.wordpress.com/2025/12/01/d...

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2025/12/math... Links and help from @howiehua.bsky.social @karencampe.bsky.social @ganeshuor.bsky.social and more #MathChat #MTBoS #iTeachMath

Here's the December Calendar of Problems from 40 years ago... the first year of the calendar format!! Enjoy #ProblemSolving this month yourself or w/students; share thinking here or on the post. #MTBoS #iTeachMath #T3Learns #MathsToday #RecreationalMath karendcampe.wordpress.com/2025/12/01/d...