Japanese Long Multiplication Lines
In the japanese multiplication method we are able to complete a multiplication problem by merely drawing a few lines and counting the points of intersections.
Japanese long multiplication lines. Here s a fun way of doing multiplication that we never knew existed before. The japanese multiplication method. The number 13 is drawn as 1 blue line and then with some space 3 blue lines. The number 12 is drawn as 1 line then with some space 2 lines.
However you never know when you ll need to do quick math and the japanese multiplication method also called multiply by lines can help you figure out the answer simply by counting. Count between the lines. Let s take 12 32 as our example. Who uses japanese multiplication.
You re right i m talking about an array. Here is an interesting method to visualize multiplication that reduces it to simple counting. Draw sets of parallel lines representing each digit of the first number to be multiplied the multiplicand see figs. When we say 3 times 2 that is the same as saying 3 groups of 2 and we can show these three groups as 3 rows and 2 columns or 3 columns and two rows.
Sounds too good to be true right. X research source it is basically the same process as the standard multiplication algorithm you are taught in school except it is represented in a more visual way. While the user jesslouisec calls the method japanese multiplication and some mathematicians say it s vedic. Japanese multiplication derives way to multiply things visually using the lines.
Line multiplication is sometimes called stick multiplication and its origins are unclear with some source claiming it comes from the japanese chinese or vedic cultures. Here is an example. A tiktok video of a novel ancient multiplication method has gone viral. In order to understand how japanese multiplication works we must start back at the good old reliable method of organizing equal groups in rows and columns.
Let us see with an example 12 x 31 372 visual explanation using lines draw the equivalent lines for the digits. This multiplication works better for all the two digit multiples and multiplicand. Maths. Picks video long reads tech politics new bitcoin science.
This amazing multiplication trick possible has it s origins in japan although i have heard arguements it is a vedic math trick. Tiktoker shows a japanese method of doing multiplication and it s blowing our minds. Either way this trick allo.