Japanese Multiplication Method Lines
Draw sets of parallel lines representing each digit of the first number to be multiplied.
Japanese multiplication method lines. 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. Let s take 12 32 as our example. How to use japanese multiplication method. 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.
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. Sounds too good to be true right. Draw vertical lines with respective to the numbers 2 3 1 from 231. Draw horizontal lines with respective to the numbers 3 1 2 from 312.
Steps in brief for japanese multiplication of three digits multiplication. Draw sets of parallels perpendicular to the first sets of parallels corresponding to each digit of the second number. On the left corner put a curved line through the wide spot with no points.
