Steve Phelps
@mathtechcoach.bsky.social
970 followers 780 following 430 posts
Math+Tech Coach & CS+Calc+Cyber Teacher at Mariemont Schools | T^3 Instructor | GeoGebra Author | Desmos Fellow | Apple Learning Coach | Code.org Facilitator | PCMI Alum | Erdos Number = 4
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Looking forward to this Pythagorean Party next week. I am ready for it. @ticalculators.bsky.social @karencampe.bsky.social
Without a doubt #ICanDynamicGeometryThePythagoreanTheorem #PythagoreanParty @ticalculators.bsky.social @karencampe.bsky.social
Yeah...definitely ready for this Pythagoran Party with @ticalculators.bsky.social and @karencampe.bsky.social
Fairly certain I am ready for this. Created with the TI-Nspire Teacher Software. #ICanDynamicGeometry
Enjoy this shorter stick rollin' 'round a regular pentagon
Enjoy this stick rollin' 'round a regular pentagon
Enjoy this pentagon rollin' 'round a pentagon that is three times as large by perimeter.
With school starting up I haven't had time to be creative for myself. So enjoy this pentagon rollin' 'round another pentagon.
BTW...created in @geogebra.org
Reposted by Steve Phelps
Hip hooray! 4 weeks from today!
Mark your calendars for free webinar "It's Time for a Pythagorean Party!" on 9-16-25 with myself & @mathtechcoach.bsky.social using TI calculators (both #TI84 & #TInspire
Register at education.ti.com/webinars
#iTeachMath #MTBoS #T3Learns
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Let's learn about Pascal's (Mystic Hexagon) Theorem
It looks good, but it is impossible.
I made this for a PD session with our math teachers. You noticed what is wrong.
Enjoy this equilateral triangle rollin' 'round a semicircle.
Went to lunch in an old school house and showed the girls how to do the Fibonacci sequence and that's what they are doing after lunch
Let's learn about Van Aubel's theorem
Inconic and circumconic.
So like the gergonne point and nagel point for circles.
To prove cevians are concurrent you can use Cevas theorem
H is the orthocenter and K is the symmedian point
Enjoy this equilateral triangle rollin' 'round a non-regular pentagon.
Enjoy this square rollin' 'round a non-regular pentagon.
teacher.desmos is not classroom.amplify.com, and after you log in, you can find your activities on the left side and the activities work the same way.
Enjoy this rhombus rolling 'round another rhombus.
Enjoy this regular pentagon rolling around an internal stick.