Math Trick for Easy Adding/Subtracting

I have a website again!!! http://adventurebuilders.club/

My channel is now 2 channels! ...pretty self explanatory:
Jaimie Builds: https://www.youtube.com/@JMEMantzel
Jaimie Talks: https://www.youtube.com/@JaimieTalks
Instagram: https://www.instagram.com/jmemantzel/

Send me an email! theadventurebuildermovie@gmail.com

Help out:

Adventure Builder Club Shirts and Mugs and Stuff (Feel free to make requests): http://shop.spreadshirt.ca/1079802/

Patreon: https://www.patreon.com/jmemantzel

PayPal: https://www.paypal.com/donate/?hosted_button_id=N6YSG4J7ZL5RG

Bitcoin: 1GPLqw2h5fLPTNyQviiAawc1n7UPHPBHdB

Amazon Wishlist!: https://www.amazon.com/hz/wishlist/ls/17SE3OH6ZA18J?ref_=wl_share

YouTube Membership: https://www.YouTube.com/jmemantzel/join

Big hugs, and Thank yous to all the Adventure Builders out there and everyone else who's been so supportive over the years! Jaimie