Super FAST mental arithmetic – ingenious trick

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MathemaTrick

Published on Nov 19, 2022
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Quick mental arithmetic In this math learning video, I (Susanne) explain a trick how you can do quick arithmetic in your head. We multiply numbers between 10 and 20 without a calculator. Mathematics explained simply. 0:00 Introduction - quick arithmetic 0:40 Example 2: Quickly calculate square numbers 1:01 Example 3: Multiplying large numbers 1:30 Example 4: Square number trick 1:50 Explanation of arithmetic trick 3:45 Until the next video :) Become a channel member now and support my channel: ➤ https://www.youtube.com/mathematrick/... ???? ???? MY COMPLETE EQUIPMENT ➤ https://mathematrick.de/mein-equipment/ Feel free to support me with a few coins for a cup of tea! ???? ➤ https://www.paypal.me/MathemitSusanne ❤️ ABOUT ME ???? My Insta: @mathema_trick ???? My website: http://www.MathemaTrick.de ???? My email: [email protected] ???? My band: / moonsunband Address for business inquiries and fan mail: Susanne Scherer Gaustraße 8, F32 67655 Kaiserslautern Please send packages and parcels directly to the DHL Packstation: Susanne Scherer 1054501450 Packstation 179 67655 Kaiserslautern #Trick #Mathe #MathemaTrick

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