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About groups...

"The collection of symmetries of an object form a group. This image shows the sixteenth stellation of the icosahedron."








⏯️Representing groups https://t.co/sv1k5rNfCf
⏯️Image
https://t.co/r1xTKLyT4r

0 12
2021-03-02

Three sections of AP Calculus completely virtually on a semester schedule? Yep, we did it! So proud of these students for their determination and willingness to adapt!

1 10
2021-01-29

1 cyclic quadrilateral + 4 perpendiculars = 😮? How to prove? 🤔 Source: . https://t.co/XF5cVNRTkE

11 43
2020-12-21

1/
A local 2D cross-section of the real 6D manifold, known in as the Calabi-Yau quintic manifold.

In algebraic geom., a Calabi–Yau manifold is a particular type of manifold which has properties yielding applications in theoretical

Img: Wiki

29 74
2020-09-10

1 triangle + 1 cevian + 3 circumcenters = 4 concyclic points! How to prove? 🤔 Source: . https://t.co/rRs3VoE0Y1

4 15
2020-07-09

Stereographic projection of circles by .

Consider the 8 vertices of the as points on the unit then make (spherical) centered on those points with radii chosen so that the circles are just tangent.

More➡️https://t.co/NjifiSyj0Y


16 36
2020-06-16

This was so fun last year, we used 's idea for his skee ball problem that I got from his session. Thanks Zak. It was such a fun task- I it. I love how their solutions looked so different ⚾️🥎🏀⚽️#secondgrade

1 2
2020-05-02

"...it's a mysterious and marvelous fact that our universe obeys laws of nature that always turn out to be expressible in the language of calculus as sentences called differential equations."

- , 'Infinite Powers'.



54 139
2020-04-29

Interesting phenomenon that occurs in any triangle. How can we explain the occurrence of the angle bisector? 🤔 (Source: ) https://t.co/tpusqTwVCB

23 85
2020-03-19

🌊Diving for Numbers🥽 This animation is a SUPER fun way to get you feet WET with addition! Grab the file to make your own changes!

Get the file here - https://t.co/NJwE8CVoOn

3 13
2020-03-13

Go ahead. Take a quick 0:41 break and experience traveling along the one & only side of a Möbius Strip. Created in & shown here in https://t.co/1vyp2ODIwf

42 97
2020-03-05

Atypical means for Ss to explore & discover laws of exponents? 🤔 Which surfaces match? Which don't? Could we use this logic just like many Ts have their Ss test for coinciding parabolas to see if quadratics are correctly factored?

9 15
2020-02-28

What causes a conic section to be a parabola? 🤔 Quick cause & effect demo in Why not give Ss opportunities to tell us what they see vs. us immediately telling them what to see? https://t.co/00lmQ6Y8Xc. For all conics: https://t.co/y0lB6Vf0FS.

23 56
2020-02-27