Japanese Multiplication With Zero

Math trick japanese multiplication multiply using lines.

Japanese multiplication with zero. Hi friends today we are going to learn the zero edition of japanese multiplication trick. Zero pair models for multiplying positives and negatives together december 12 2017 anna tarnowski uncategorized 4 comments 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. For the zeros leave the appropriate columns blank or use a dotted line for zero. Do not count anything where there is no line crossing nor intersections that include a dotted linelines that coss the dotted lines.

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. However it is more common to use and say zero the same way we say it in english. Or マル maru which translates to circle and it s used the same way we say oh instead of zero in english when reading individual digits of a number. For zero in japanese the kanji is 零 rei.

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. In some cases carrying is required in the final addition steps. Don t forget to like share and. A three digit by three digit multiplication would take up a 3 3 section of squares.

The japanese multiplication method can be extended to handle more digits by creating a larger diamond and handle a digit of zero by drawing a different colored line.