Japanese Multiply Math

The origins of the multiplication method aren t clear.

Japanese multiply math. You re right i m talking about an array. Japanese multiplication derives way to multiply things visually using the lines. Let us see with an example 12 x 31 372 visual explanation using lines draw the equivalent lines for the digits. Whatever the roots.

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. Draw sets of parallel lines representing each digit of the first number to be multiplied the multiplicand see figs. A viral tiktok video shows an old unique way to multiply using sticks. 1 and 2 further below.

Each cluster of intersections corresponds to one of the four smaller products that go into multiplying two numbers for instance the left cluster 3 1 is what gets you the 300 or 3 hundreds. 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. 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. This multiplication works better for all the two digit multiples and multiplicand.

The japanese multiplication method is really just a visual way of representing those four steps.