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

1. Step one: start with physical manipulatives.
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).