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One of my favorite math tricks

77,371 views • 3 years ago •via X (Twitter)

9 Comments

johnroycroft.eth's profile picture
johnroycroft.eth3 years ago

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!

Pak Anira's profile picture
Pak Anira3 years ago

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

Samantha Yammine, PhD's profile picture
Samantha Yammine, PhD3 years ago

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

Ryan's profile picture
Ryan3 years ago

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

barry goldman's profile picture
barry goldman3 years ago

@heysciencesam ah.. all that fibonaci stuff!

Alexander Williams's profile picture
Alexander Williams3 years ago

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

AllisonAuction&Appraisal's profile picture
AllisonAuction&Appraisal3 years ago

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

Reva Ahuja's profile picture
Reva Ahuja3 years ago

@howie_hua - this is AWESOME

ZHONG XINA's profile picture
ZHONG XINA3 years ago

nice tee

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