Japanese Multiplication Problems
August 12 2020 at 7 00 am.
Japanese multiplication problems. As you can see in the animated gif below each base ten block is replaced by the intersection of the lines situated between each base ten block. 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. Here are three multiplication examples for you to practice. I have come across some fun math problems yes math can be fun through the internet and friends.
Like many other aspects of japanese math education alternate ways of solving problems are explored with good methods retained poor methods rejected and generalizations made. Here is a video of japanese multiplication. 4 x 5 20 yon kakeru go wa nijyu よんかけるごは二十 四掛ける五は虹湯. First pick a multiplication problem.
Multiplication last but not least we ll use the term kakeru for multiplication. Sounds too good to be true right. Youtuber mindyourdecisions has an excellent explanatory video so to follow along with their example we ll go with 12 x 13. 9 x 9 81 kyu kakeru kyu wa hachijyu ici.
January 17 2011 tech4mathed algebra arithmetic algorithms education teaching teaching online 16 comments. But look in a japanese elementary textbook and multiplication is done the same way as everywhere else. Let s take 12 32 as our example. With times tables and carrying.
A tiktok video of a novel ancient multiplication method has gone viral. Most of the japanese learning involves basic shapes and quantitative analysis skill to solve the problem and after having crossed one such method i couldn t help but make it a valuable post on my blog under the maths is fun section the below images will teach you multiplications using lines or japanese multiplication method taught for school kids in japan. First pick a multiplication problem. First watch the video and then see if you.
As you ll see below the japanese multiplication is simply skipping the step of drawing out the base 10 blocks by having you focus on the intersection of the base 10 blocks or the sticks lines. Published 2 months ago. The japanese multiplication trick as it is called has been circulating social media sites again and with it have been a lot of questions about why it works and if it is worth teaching to students. Here s how the trick works.
While the user jesslouisec calls the method japanese multiplication and some mathematicians say it s vedic.