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When I was a kid, I used to love to do math in my head. It was a way of challenging myself to think better and faster. I was able to, with practice, multiply 3-digit numbers in my head while I stood on the bus stop waiting for the bus--which always seemed like a lifetime. It was fun and it passed the time in a useful way. Although I try to do it now, it has become a great deal more difficult. My mind tends to wander and it seems more rote than it used to feel when I was a kid. But as I pointed out in my last Fun Friday Post (Fun Friday: Enhancing Your Brain After 50. Post #1), the way to keep your brain sharp is by working it, training it, challenging it-- and basically, using it. So, I got on my search engine (which is still SwagBucks Search) and looked up better ways to do mental math. I found some interesting info on math tricks and then I stumbled upon a TED talk that really grabbed my attention: The Magic of VedicMath by Gaurav Tekriwal. OMG, I watched it and halfway in, I got it back! I got back the ability to do math in my head. I used to multiply those 3-digit numbers in my head the old fashioned way. But Vedic math is so much faster and easier. Ever since I watched that video, I've been playing with different 3-numbers multiplications in my head and have been having a blast. So, here's basically how it goes. You use a base system to multiply numbers. For example, 17 x 14 using 10 as the base: Yes, the diagram seems too complicated and the method in it only works in certain cases. But it's just one trick using these principles.
Don't take my word for it. Go see the video for yourself. This method makes multiplying large numbers in your head a breeze. And practicing mental math can enhance your brain capacity. I hope you enjoyed this example. Thank you for reading. Other Sources and References: The magic of Vedic math - Gaurav Tekriwal techmath on YouTube VedicMaths.org VedicMath ~ VedantaTree
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