We don’t know who used the lattice method for multiplication first. It seems to have appeared about 600-700 years ago in texts from both Arabic, European and Chinese mathematicians.

In this level you'll learn an alternative method for multiplying numbers. This method is called 

. Watch this video to learn how lattice multiplication with integers work.

How to Use Lattice Multiplication with Integers

Practice lattice multiplication with integers on the next page.

In this level you'll learn an alternative method for multiplying numbers. This method is called lattice multiplication. Watch this video to learn how lattice multiplication with integers work.

A system of parallel or crossed lines. Another word for 

Moving a digit to the left, from one place-value column to another.

Every number in a multiplication problem that is multiplied is called a factor.

The result of multiplying numbers together.