#MTBOS
My summers are always full of beach math! #MathPhoto25 #symmetry #ITeachMath #ElemMathChat #MTBoS
June 13, 2025 at 2:39 PM
January 10, 2025 at 5:57 PM
I just finished soldering a Penrose tiling stained glass piece! It’s so pretty! #mtbos #mathart
August 1, 2026 at 8:21 PM
Geometric art. Math is everywhere!! #mtbos
August 14, 2025 at 5:23 AM
So you're going to "teach AI" this year. That's great!

Start with "How Eugenics Shaped Statistics"
nautil.us/how-eugenics...

#mtbos #ITeachMath #AIinEd
How Eugenics Shaped Statistics
Exposing the damned lies of three science pioneers.
nautil.us
August 9, 2025 at 3:03 PM
I saw this at the Brooklyn Botanic Gardens.

I call it Powers of Two :) #mtbos
September 21, 2025 at 7:37 PM
May 4, 2025 at 12:47 PM
Love my #MTBoS friends! #NCTMCHI24
September 26, 2024 at 3:43 PM
March 14, 2025 at 11:25 AM
#ITeachMath #MTBoS friends…saw this piece at my 30th college reunion and thought of you.
May 27, 2025 at 9:30 PM
Explore the Distributive Property of Multiplication via #MathPlay 🧮✖️

#ITeachMath #MTBoS #MathIsFun #STEM #ElemMathChat #Math #Maths #MathEd #EduSky
November 18, 2024 at 10:34 PM
Hi #mtbos #iteachmath community!
September 23, 2023 at 2:53 AM
Alert! Francis Su in the house! yay! #iteachmath #MTBoS
Greetings, blue sky! The air is fresher over here.
November 16, 2024 at 1:10 AM
December 6, 2025 at 6:26 PM
August 6, 2025 at 10:18 PM
Distributive Property with the #PowerPuffGirls 🍦- #MathPlay 🧮

#ITeachMath #MTBoS #EduSky #MathSky #MathsToday
April 2, 2026 at 6:12 PM
The only reason I would want to teach small children would be for the contexts - & sketches - they create!
#nctmatl25 #mtbos #mathed
October 18, 2025 at 2:03 PM
Which one doesn't belong? #WODB #21CenturyPB #iTeachMath #MTBoS
November 13, 2024 at 8:01 PM
Images from my math teaching life yesterday and today. #mtbos
October 29, 2025 at 9:20 PM
My favorite holiday door decoration. #ITeachMath #mtbos
December 6, 2024 at 11:20 PM
Remember that alarming story circulating recently about the dangers of black plastic utensils? Well, the risk they identified was 10 times higher than it actually is, because the authors of the study made a multiplication error.
nationalpost.com/news/canada/...
How a simple math error sparked a panic about black plastic kitchen utensils
A study warned that people were being exposed to a toxic chemical from kitchen utensils. But the researchers misstated the safe daily limit
nationalpost.com
December 16, 2024 at 12:29 AM
August 9, 2025 at 3:32 PM
On our last precalc class, we went outside and did some sidewalk math! #mtbos
June 13, 2026 at 11:55 AM
Hi There! I am here! #mtbos
November 5, 2023 at 4:04 AM
Thrifted some future statistics lessons yesterday.

#mtbos #iteachmath #statistics #mathsky #edusky
July 31, 2025 at 3:50 PM