Podcasts Education The Math Dude Quick and Dirty Tips to Make Math Easier 083 TMD What Is Casting Out Nines? Part 2

083 TMD What Is Casting Out Nines? Part 2

Published: Nov. 18, 2011, 8:30 p.m.

b'Learn more about using casting out nines to check your arithmetic. SPONSOR: http://www.betterment.com/mathdude. Use this URL to receive a $25 account bonus!'