What’s your favorite #ChristmasTree? 🤔🎄 #MathPlay🧮 #ITeachMath #MTBoS #MathArt #MathIsFun #Math #EdChat #STEM #Christmas

where did the last 5 hours go?? #mathart #iteachmath #flowstate

Why guess when you can know?

From communicating with families to writing tailor-made word problems – here's how ChatGPT can give you back some time to connect with Ss: (Inspiration via T @MrsUTeachesTech) #MTBoS

Small change -> big result I’ve handed out colored pencils this year for students to use while taking notes & it has greatly improved the quality of notes. The active switching of color to show steps involved helps them concentrate more & remember more when reviewing

Mathematics. The area under this curve is √π. Nice.

The city was broke—but not broken. Drop Dead City, the 2025 documentary about NYC’s 1975 fiscal crisis, is out now. Don’t miss this smart, gripping and unexpectedly poignant story of urban survival, now streaming on all major platforms!

⛄ Marbleslides: Winter Edition is here! In this activity, students write equations to capture stars, then the final level switches to transforming points to guide marbles through a snowflake. ❄️ Try it out: https://t.co/t1g5PQlmPA.

In February 2025, I explored radial designs by arranging six octagons around a central star. #21CenturyPB

❄️⛷️Three ski teams, a broken pole, and a photo finish… yet somehow all teams ended up with the same score! Can your upper elementary students figure out the exact order the 9 skiers finished—and explain how? https://t.co/GHJ3Jz6U5C

With 3 congruent circles drawn on a page one can create a minimum of 3 finite regions and a maximum of 7. And every count in between?

Did you know all prime numbers (except 2 and 3) are one away from a multiple of 6? Here's how we can show this.

Today Stats ss got to #MathPlay 🧮 with "Can you guess the correlation?" Such an engaging and fun @MathMedic lesson. The highlight of today "Correlation Doesn't Imply Causation" #ITeachMath #MTBoS #EdTech #MathIsFun #Math #Maths 🔗👇 https://t.co/GJVPU6u8xC

1²+2²+3²+....+n² = ? Visualization |Animation | Interactive applet @geogebra https://t.co/s8R8SUp9oO #geogebra #math #science #iteachmath #mtbos #visualization #elearning @bancoche #physics

Mathematics. Archimedes told us that a sphere has 2/3 the volume and surface area of its circumscribing cylinder including its bases. In other words, he found the relationship between a sphere and a circumscribed cylinder of the same height and diameter. The volume is ⁠4/3⁠

https://t.co/Q2C3yehy0X

Draw some curly lines from rim to rim on a circle. Have them intersect only two lines at a time. Why is the number of regions formed sure to be 1 more than the sum of line and intersection counts?

Mathematics. "Magic flower." Each line segment sums to 123. Example: 6 + 37 + 80 = 123. Each numerical entry, from 1 to 81, is depicted only once in the figure. By Miguel Angel Amela, personal communication, used with permission.

🎨 Meet one of our Polypad Art and Music Contest winners, Elegan Kramer. They used custom polygons to create a unique and engaging image of intermixed geese and moose. 🔍 Try it: https://t.co/dA6w5LcEfC.

https://t.co/PQo9ilmCcJ

A student said that 0.999999999999999... is obviously less than 1 since he can only write out finitely many 9's in his lifetime, and I'm dead

Our new position statement on Maximizing the Impact of Universal Screeners to Support Student Learning is out now: https://t.co/h0g3DRG86J