In this video, I explain how to perform two-digit operations quickly using mental strategies. We'll cover **addition**, ...

Sometimes the easiest, simplest way to liven up a party, sleepover, family gathering or presentation to a class is to perform a magic trick. Most magic tricks require fancy costumes and props, but ...

Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. If you’re anything like me, you probably enjoy a good number ...

Math Tricks: Quick, Easy & Smart!! Photographer sees whale dragging 200-foot rope and realizes something is very wrong Trump threatens to order election reforms, bypassing Congress US is sending its ...