Japanese Multiplication Hundreds

Is the japanese multiplication method helpful.

Japanese multiplication hundreds. In the japanese multiplication method a student is able to complete a multiplication problem of two large numbers by merely drawing a few lines and counting the points of intersections. 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. Some of the worksheets for this concept are grade 6 math circles november 56 2013 multiplication multiplication methods characteristics of japanese mathematics lessons the soroban abacus handbook 3x2 lattice multiplication b multiplication and division of fractions 2 mental maths strategies for multiplication and division. How does this work.

The japanese multiplication method is really just a visual way of representing those four steps. Youtuber mindyourdecisions has an excellent explanatory video so to follow along with their example we ll go with 12 x 13. Here s how the trick works. First pick a multiplication problem.

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. Using words like hundreds tens and unit will help you to explain this. Do you think it is important to estimate and get a rough idea of the answer before using this method.