Here's my favorite mental math trick and why it works:

You, my friend, are a genius, and now I’m going to look like a genius too.

I’m sharing that with my 7 year old straight away!

How did it go? :)

this is wild! can’t wait to try this out in class!

Mathemagic's trick here at the labomaths of Toucy : Text in french !

Nice, interesting...now I have a magic trick to play with my kids...😇

Let me know how it goes!

Awesome.

That's pretty awesome!! Thanks for sharing that Howie!!

Thank you for watching, Molly!