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The Japanese multiplication trick that uses lines to work out big maths equations
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dailyrecord.co.ukDid you know : In ancient times chopsticks were used to visualise the method - long before we studied it in school! Japanese multiplication is about completing a multiplication problem by drawing a few lines and counting the points where the other lines join to give you the answer.
Sounds much too easy, right?I plucked the numbers 13 x 21 out of the air to test myself. Well, even I can work out 10 x 10!What you need to remember is that numbers are represented using place value.
In this sum, 13 means one 10 and three ones; 21 means two 10s and one one. Got it?Now the fun bit. The drawing.For every number, you draw the corresponding number of lines on a piece of paper or a whiteboard.Begin with the first number in the sum which here is.
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