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If there are any
#Geometry teachers out there... I'm thinking of teaching one interior angle of a regular polygon by using the Exterior Angle & then supp angles - and not even showing the ginormous formula 180(n-2)/n... thoughts?#geochat#geomchat#mtbos#iteachmath -
Transformations and tessellations and the Fibonacci sequence, oh my!




#iteachmath#MTBoS#geomchat pic.twitter.com/7WiVxFezYa
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Finding Distance in the Coordinate Plane - Quick formative assessment with conceptual scaffolding: https://www.geogebra.org/m/ja2rvsej .
@geogebra#MTBoS#ITeachMath#math#maths#algebra#alg1chat#geometry#GeomChat#MSMath#HSMath#EdTech#MathEd#MathEdTechpic.twitter.com/dNn3VmhDTv -
Teaching a class about triangles this cycle through the structure of truss bridges. Today, day 2, was AMAZING & I have to share!
#MTBoS#iteachmath#geometry#buildbridgesnotwalls#teachertwitter#ilovepublicschools#geomchat#science#math#EDUcatorsPrikaži ovu nit -
Seems like an appropriate test question on National Plan A Vacation Day. Especially since minutes earlier they just broke their brains doing a coordinate plane proof.
#wannagetaway#geomchat#teach180pic.twitter.com/bSf3zHqWr5
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OK, I did kind of walk right into that one, didn’t I? But for real, any day my students can make me smile on a quiz is a good day.
#teacherlife#geomchat pic.twitter.com/zuzzFfpfd1
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Triangle inequality theorem exploration in geometry today using spaghetti noodles. What segment lengths will form a triangle? Why? What rule describes what is happening?
giving Ss the chance to explore and discover. #teach180#iteachmath#mtbos#geomchat#handsonforthewinpic.twitter.com/nm0o7vJ4W3
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Okay, so its longer than I like Desmos ABs to be, but here's where I'm at so far. Give me some
#ImproveMyAB love#GeomChat friends https://teacher.desmos.com/activitybuilder/custom/5db0822dbab1750b32779f08 … -
What happens when you combine tech class and Geometry? Cross-curricular angle fun!
#pumaproud#iteachmath#geomchat pic.twitter.com/PxDQQMkM2i
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I'm always looking for better ways to teach SSS, SAS. This year I am going back to the past. I revamped an activity I did with Sketchpad & an overhead. Ss will enter their findings from
@Desmos into a google form. Try it out!#ITeachMath#MTBos#Geomchat https://teacher.desmos.com/activitybuilder/custom/5dab6eee92c5920667db068d … -
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Almost done with geometry two column proofs. Try some 2-3 step proofs here (https://www.deltamath.com/explore/skill/geometry-proofs/1231678 …) and please share feedback. I need to input manually about 150 additional 4+ step proofs (level 2 & 3). If you have some to share, please email info@deltamath.com.
#MTBoS#GeomChat pic.twitter.com/16Scupat59 -
Teaching quadrilaterals? These puzzles from 100 Geometric Games https://amzn.to/2UIEotV (affiliate link) could be fun!
#mtbos#iteachmath#geomchat pic.twitter.com/oZudLkNkqX
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Did you know? Hidden inside every square is a 3-4-5 (right) triangle!
How can we formally prove THIS true?
(Source: @gogeometry). https://www.geogebra.org/m/dMNUJHTa@geogebra#MTBoS#ITeachMath#geometry#proof#EdTech#math#maths#MathEd#MathEdTech#FigureThat#GeomChat pic.twitter.com/G5YG9eNaTn -
A much belated post overviewing the Adv. Geometry course I taught, with a GIANT list of all the skills I taught & the order in which I taught them. https://samjshah.com/2019/07/21/geometry-skills/ … Bonus: You can view a presentation I gave with a colleague on how we created the course
#MTBoS#geomchat -
WHAT?? Geometer's Sketchpad is being RETIRED? I am stunned and disappointed. I know Desmos has added Geometry tools, but it's not there yet. This was a major wonderful tool for my students.
#MTBoS#GeomChat pic.twitter.com/q5nmtj5E78
Prikaži ovu nit -
Ok
#MTBoS just found out I’m teaching geometry next year (love, but haven’t taught in years). I want tons of hands-on, stations,discovery. Hit me with some good blogs to read this summer! (Also, last day of school!!)#iteachmath#geomchat -
Regular Icosagon (n = 20) Phenomenon:
#HowToProve?
https://www.geogebra.org/m/e7vg3wub . @geogebra#MTBoS#ITeachMath#math#maths#geometry#proof#GeomChat#MathChatpic.twitter.com/d7DytYpP1L -
First saw these from
@mathequalslove , I think. My Ss love them. They love the challenge! You can find the file on page 34 Here
http://www.cleavebooks.co.uk/trol/trolqd.pdf #mtbos#iteachmath#alg1#geomchat#algchat#mathchatpic.twitter.com/shYezMwOSU
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#Area of a#Triangle: Double "proof" w/o words - dynamic & modifiable illustrator: https://youtu.be/VZysE_-dXeQ .@geogebra URL included in description.#MTBoS#ITeachMath#MSMath#HSMath#EdTech#geometry#algebra#MathChat#GeomChat#MathEdTechpic.twitter.com/rQyYCGj9qe
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