$082 TMD What Is "Casting Out Nines"? Part 1 - podcast episode cover$

082 TMD What Is "Casting Out Nines"? Part 1

Nov 11, 2011•7 min•Ep. 82

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Episode description

Learn how to use casting out nines to quickly and easily check your answers to arithmetic problems

082 TMD What Is "Casting Out Nines"? Part 1 | The Math Dude Quick and Dirty Tips to Make Math Easier podcast - Listen or read transcript on Metacast