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One of my favorite math tricks

77,371 Aufrufe • vor 3 Jahren •via X (Twitter)

9 Kommentare

Profilbild von johnroycroft.eth
johnroycroft.ethvor 3 Jahren

Just started following and have shown all your tricks to my Y6 class. After 30 years of teaching, my passion for maths shortcuts is as strong as ever!

Profilbild von Pak Anira
Pak Aniravor 3 Jahren

Is that Willow Pill's shirt?????

Profilbild von Samantha Yammine, PhD
Samantha Yammine, PhDvor 3 Jahren

This trick is equally as iconic as the shirt and I didn't think that was possible

Profilbild von Ryan
Ryanvor 3 Jahren

You enthusiasm and energy is really positive. Oh and this is math witchcraft! 🙂

Profilbild von barry goldman
barry goldmanvor 3 Jahren

@heysciencesam ah.. all that fibonaci stuff!

Profilbild von Alexander Williams
Alexander Williamsvor 3 Jahren

Love this one Howie. It's fantastic combination of mental math with a touch of algebra.

Profilbild von AllisonAuction&Appraisal
AllisonAuction&Appraisalvor 3 Jahren

Did not know the 11, kids never heard of the 9 trick. Can you do one on that so moms not crazy.

Profilbild von Reva Ahuja
Reva Ahujavor 3 Jahren

@howie_hua - this is AWESOME

Profilbild von ZHONG XINA
ZHONG XINAvor 3 Jahren

nice tee

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