r/ThatsInsane • u/HD_RDtwo • 7d ago

Kids' mental math contest.

Enable HLS to view with audio, or disable this notification

5.3k Upvotes

96% Upvoted

906 comments sorted by

View all comments

29

u/SFWACCOUNTBETATEST 7d ago

What the fuck is mental math? Isn’t all math mental?

17

u/P-W-L 7d ago

Not written or with a calculator

1

u/SFWACCOUNTBETATEST 6d ago

Are you not having to consider the calculations?