393,985 views
Exciting math puzzles In this math learning video, I (Susanne) explain how to find a four-digit number which, when multiplied by 4, results in a four-digit number again, but with the digits in the reverse order. We use written multiplication with carry and the divisibility rules. Mathematics explained simply. 0:00 Introduction - math puzzles 0:41 Example of written multiplication 2:27 Determine A 5:07 Determine D 6:58 Determine B 10:18 Determine C 13:41 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 #Puzzle #Math #MathemaTrick