March Calendar Problems It is March, and spring can’t come quickly enough for my friends in the northeast US. No matter what the weather, I have the March 2001 Calendar of Problems from 25 years ago for your problem…

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...

March Calendar Problems It is March, and spring can’t come quickly enough for my friends in the northeast US. No matter what the weather, I have the March 2001 Calendar of Problems from 25 years ago for your problem…

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...

February Calendar Problems February is here and if you need a distraction from winter ❄️ weather, I have the February 2016 Calendar of Problems from 10 years ago for your wintertime problem solving enjoyment. I have a few mo…

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...

Reflecting on 10 Years of “Reflections & Tangents” It’s been ten years since I started writing here on the “Reflections and Tangents” blog, so I think it’s a good time to reflect on how I got here and how it’s going. I came late to blogging, compar…

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...

Feb 17: if the spinner shown is equally likely to land in any one of the four sectors, what is the probability that the sum obtained in four spins is 9? [spinner with 4 equal parts labeled 0, 1, 6, 2] Feb 18: the equation x^2 – 2x + c =0 has roots r and s. If r/s = -2, what is the value of c? Feb 21: a semicircle with radius 1 is inscribed in a rectangle. A second semicircle lies in a corner, tangent to the larger semicircle, with its diameter coincident with the long side of the rectangle. What is the radius of the small semicircle? Feb 22: If an and b are integers such that a^2 + b^2 =29, what is the maximum value of absolute value of a–b?

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

Happy multiplication day!
2/13/26 or 13/2/26

When is the next one?
How many this month? This year?

#MTBoS #iTeachMath #T3Learns

I ❤️ Candy Math! It’s that time of year again, when Valentine’s Day candy is all over store shelves. Grab some “conversation hearts” – SweeTart™ Hearts are my favorite – and explore exponential models with your stu…

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...

Making the Most of Probability! Guest Blog by Karen Latham Are you teaching probability in your high school Algebra 1 or Algebra 2 class? Want to streamline operations and do simulations with your students? Read on to hear about …

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...

February Calendar Problems February is here and if you need a distraction from winter ❄️ weather, I have the February 2016 Calendar of Problems from 10 years ago for your wintertime problem solving enjoyment. I have a few mo…

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...

February Calendar Problems February is here and if you need a distraction from winter weather ❄️, I have the February 2016 Calendar of Problems from 10 years ago for some wintertime problem solving enjoyment. I have a few mo…

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...

January 24: 3x + 7y = 188 What integral solution for (x, y) yields the least positive difference for y – x? January 25: What is the smallest composite number generated by p^2 – p – 1, where p is a prime number?

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

Go For Geometry! 8 Using Dynamic Technology to Build Understanding ◊ Episode 8: Congruence Motions◊ It’s time for congruent triangles in Geometry class! One of my favorite ways to get students prepared for the congru…

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...

January Calendar Problems Happy New Year and welcome to 2026! Here is the January 1998 Calendar of Problems from 28 years ago for some wintertime problem solving enjoyment. I have a few more old Mathematics Teacher1 issues …

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...

December Calendar Problems The year is flying by and December is upon us! I had planned to share a December calendar of problems from the early 2000s, but I was digging around and realized that 2025 is the 40th anniversary o…

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...

December Calendar Problems The year is flying by and December is upon us! I had planned to share a December calendar of problems from the early 2000s, but I was digging around and realized that 2025 is the 40th anniversary o…

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...

November Calendar Problems Wow, November has blown in with some wild weather, but at least we can get an extra hour of sleep tonight as we “fall back” to standard time. It’s a busy month at school, as the f…

November is here, and so is the next Calendar of problems!
Enjoy these with your students or for yourself, share your thinking here or on the post.
#MTBoS #iTeachMath #T3Learns #MathSky #RecreationalMath #MathsToday
karendcampe.wordpress.com/2025/11/01/n...

October Calendar Problems October is here, and with it the crisp fall air here in the northeast US. No matter where you are, you can get a breath of fresh air with some problem solving in your math classes! Here is the 2015…

October is here & so is the next month's #ProblemSolving calendar!

Share your thinking (& your students' thinking) here or on the post.
#MTBoS #iTeachMath #T3Learns #RecreationalMath #MathsToday

karendcampe.wordpress.com/2025/10/01/o...

September Calendar Problems September is here, and so is the school year for my US friends. Start a habit of doing some problem solving in your math classes this year! Here is the 1990 Calendar of Problems from 35 years ago f…

Solutions posted for September Calendar of Problems!

October calendar coming tomorrow!

karendcampe.wordpress.com/2025/09/01/s...

#ProblemSolving #iTeachMath #RecreationalMath #MTBoS #T3Learns #MathsToday #MathSky

Go For Geometry! 7 Using Dynamic Technology to Build Understanding ◊ Episode 7: Pythagorean Squares◊ Today is a “perfect square day” since the date is 9-16-25 (or 16-9-25 if you live somewhere that puts the day first…

New blog post on this PYTHAGOREAN SQUARES day! Go For Geometry! 7 is here, how to build the squares-on-sides Pythagorean figure with all technology platforms!
karendcampe.wordpress.com/2025/09/16/g...
Happy 9-16-25!
#MTBoS #iTeachMath #T3Learns #Geometry #MathSky #MathsToday

Webinar | It's Time for a Pythagorean Party!

AND... if you're a @ticalculators.bsky.social user, join me & @mathtechcoach.bsky.social for a free webinar on 9-16-25.

Register here:
education.ti.com/en/t3-profes...

#MTBoS #iTeachMath #T3Learns #geometry #MathSky #MathsToday #RecreationalMath

Pythagorean Party! Last week had a special math-y date: 7-24-25, which is a Pythagorean triple. This means that the sum of the squares of the smaller two numbers equals the square of the largest number. Let’s d…

Next week has a "Pythagorean" day on 9-16-25... so check out my "Pythagorean Party!" blog w/ technology activities & visuals to celebrate pythagorean theorem & related concepts.

karendcampe.wordpress.com/2025/07/30/p...

#MTBoS #iTeachMath #T3Learns #geometry #MathSky #MathsToday #RecreationalMath

Webinar | It's Time for a Pythagorean Party!

It's just a week away.... PYTHAGOREAN PARTY day!!
Join us for free webinar using @ticalculators.bsky.social to celebrate 9-16-25!!
Me & @mathtechcoach.bsky.social

Register at: education.ti.com/en/t3-profes...

#iTeachMath #MTBoS #T3Learns

Webinar | It's Time for a Pythagorean Party!

Today is a "perfect square day" no matter which way you look at the date:
9-4-25 or 9-4-2025 or even 4-9-25

Another one is coming up on 9-16-25 and we're having a "PYTHAGOREAN PARTY" webinar for @ticalculators.bsky.social users!
Join me & @mathtechcoach.bsky.social
#iTeachMath #MTBoS #T3Learns

Should You Spend $2 to Win $1.3 Billion? Inside Powerball Math Winning more than $1 billion in Powerball is an exciting possibility, but keeping a cool math mind can help you decide whether that opportunity is worth your $2 bet

Here is Scientific American's article on Powerball math ...

#iTeachMath #MTBoS #T3Learns #MathsToday #MathSky

www.scientificamerican.com/article/powe...

PA lottery history: April 26, 1989 – Fourteen winning Super 7 tickets split the Pennsylvania Lottery’s largest jackpot to date – a $115.5 million annuity.

My 1st year teaching algebra 2, the PA lottery jackpot got to $100 million ... so I did an impromptu lesson on probability that week.
Memorable!
This week's prize is ~11 times bigger...
#iTeachMath #MTBoS #T3Learns
#MathsToday

September Calendar Problems September is here, and so is the school year for my US friends. Start a habit of doing some problem solving in your math classes this year! Here is the 1990 Calendar of Problems from 35 years ago f…

Happy September, happy new school year, and happy #ProblemSolving calendar!
Share your thinking (& your students' thinking) here or on the post.
#MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky #MathsToday

karendcampe.wordpress.com/2025/09/01/s...

August Calendar Problems Wow the summer is flying by, and it is back-to-school time already in many parts of the US. If you’re about to start your academic year, here is the August 2010 Calendar of Problems from 15 y…

The answers to the August Calendar of Problems are posted! Did you enjoy the "relay format" this month?
September Calendar coming tomorrow!

#MTBoS #iTeachMath #MathsToday #MathSky #T3Learns #ProblemSolving #RecreationalMath

karendcampe.wordpress.com/2025/08/01/a...

Birthdays & Being Seen It’s my birthday today, and I’m thinking about what I used to do on my students’ birthdays back when I was in the classroom, among the many other things we might do as teachers to build relat…

Here are some ideas for building relationships with our students:

karendcampe.wordpress.com/2023/08/30/b...

#MTBoS #iTeachMath #T3Learns #MathsToday

Post-It Notes & Other Pedagogical Advice Recently I’ve seen some teachers asking for help in various online1 groups and platforms; sometimes the query is about a course that they are teaching for the first time, or a new teaching techniqu…

Good morning this back-to-school season! ☀️🚌🍎
Here's some good advice for new & not-so-new teachers.
#MTBoS #iTeachMath #T3Learns #MathsToday

karendcampe.wordpress.com/2024/09/18/p...