# Where does lattice multiplication come from?

## Where does lattice multiplication come from?

Lattice multiplication is a process that was first founded in the 10th century in India. This method was later adopted by Fibonacci in the 14th century and seems to be becoming the “go-to” method in teaching elementary students how to multiply two numbers in which at least one of them is a two-digit number or greater.

What is the lattice method?

The lattice method is an alternative to long multiplication for numbers. In this approach, a lattice is first constructed, sized to fit the numbers being multiplied. If we are multiplying an -digit number by an -digit number, the size of the lattice is .

### What is the easiest way to teach multiplication?

The Best Way to Teach Multiplication | 5 Simple Steps

2. Step two: introduce skip counting.
3. Step three: highlight the commutative property.
4. Step four: drill and practice multiplication facts.
5. Step five: work with words.

How do you do a lattice multiplication?

Steps Draw a table with a x b number of columns and rows, respectively. Align the digits of the multiplicand with the columns and place it on top of the table. Create a diagonal path for the tables. Multiply the numbers using the distributive method. Start adding the numbers on the same diagonal paths. Combine the digits of the answer.

#### How do you do lattice math?

The cells are called lattices. Basically you multiply the numbers on top of the lattice by the number to the right. A diagnol line divides the place value into two columns Tens/Ones so if it was 15 x 3, in the cell I would first put down 1/5 for fifteen and the 0/3 for 3.

What is the lattice multiplication method?

Lattice Method. The lattice method is an alternative to long multiplication for numbers. In this approach, a lattice is first constructed, sized to fit the numbers being multiplied.

## What is a lattice in math?

Algebraic structures . A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra. It consists of a partially ordered set in which every two elements have a unique supremum (also called a least upper bound or join) and a unique infimum (also called a greatest lower bound or meet).