Subscribe for more free YouTube tips: / improvedmath Share this video with a friend. If you are multiplying a 2-digit number by a 3-digit number, you need 6 boxes, and if you multiply two 3-digit numbers together, you need 9 boxes. This video shows you how to use the lattice method of multiplication to multiply 3-digit numbers. The lattice method is a technique used to multiply numbers that can be useful for larger numbers or when memorization of the multiplication table is difficult. For example, if you are multiplying two 2-digit numbers, you need 4 boxes. A video revising the techniques and strategies for multiplication, this video is looking at using the lattice method of multiplication (Chinese method).This. You need as many boxes as you have digits. A simple and effective way to do complex multiplication is lattice multiplication, which breaks up the digits being multiplied into tables and columns. After some experimentation and soul searching, I was converted. Then a college student, taking a math course designed for aspiring elementary school math teachers, showed me how her professor wanted her to practice this method. I first learned about this highly manual, ingenious strategy from a middle school student who absolutely refused to use the standard algorithm – he had never learned it! Lattice multiplication was the only way he performed long multiplication. Their astounding similarities even suggest that lattice multiplication may be its unwitting parent. No matter who or where its creator was, the concept seems to predate the widely used standard algorithm. Before I show you the whole thing, I need to show you how to do some smaller stuff first. Also, you can use a lattice as the basis for a privacy screen. This is a really cool method for multiplying bigger numbers. I am struggling with coding the Lattice Multiplication method is Java and need it solved in that way. My instance field is public int digits to represent the array. The exact origins of lattice multiplication are unknown, though scholars argue that it was developed in the Middle East. The chances are if youve ever seen a lattice deck skirt that it was a solid. Hi So I am trying to write a multiply method with these requirements but I am trying to use the Lattice Multiplication method to calculate the product.
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