Mental arithmetic multiplication up to 100

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BYTEthinks

Published on Oct 27, 2017
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✚ Share and rate the video to support me - thank you very much! Solutions to the tasks for practice: 32 * 51 = 1632 13 * 81 = 1053 58 * 78 = 4524 44 * 26 = 1144 How can you do quick mental arithmetic with multiplication? That is, multiplying two two-digit numbers up to 100 without a calculator. This is a special math trick for mental arithmetic because it works with the simple 1 times 1. At the end of the day, the individual digits are multiplied together. This way you can quickly calculate large numbers in your head (here, multiplying). That's what I call sustainable math tutoring! -------- Support the channel? ➔ Subscribe for free and activate the bell: https://bytethinks.de/abo ➔ Become a channel member: https://bytethinks.de/mitglied -------- What is BYTEthinks? - Understanding general knowledge and science with short, entertaining videos! ➔ Watch all videos: https://www.bytethinks.de/AlleVideos ➔ Do you have a topic for a video? Post it in the comments! -------- Script: http://www.bytethinks.de/schnelles-ko...

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