I don't how this guy figured this out, but he is a genius. Trick to multiplication tables 6X6 and above. - This is quite possibly the best thing I have ever seen. Fingers Tricks, Multiplication Facts, Multiplication Fingers, Guys Figures, Math Tricks For Kids, Multiplication Tables, Time Table, Tables 6X6, Multiplication Tricks
Multiplication Song & Tricks-3rd....not sure about the 12's trick, maybe I'm reading it incorrectly.