In 2019 a new computer algorithm for multiplication was found. It is a lot faster for dealing with crazy large numbers, and has possibly reached the limit of how fast our computers can calculate.

You are now ready to start doing multiplication with decimal numbers. Watch this video to find out how long multiplication with decimal numbers work.

How to Do Long Multiplication with Decimal Numbers

Practice long multiplication with decimal numbers on the next page.

Numbers that include a decimal point. The digits to the right of the decimal point are called a 

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.