In mathematics, a multiplication table is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations with base-ten numbers. Many educators believe it is necessary for the kids to memorize the tables upto 9 or 15. The multiplication table is sometimes attributed to the ancient Greek mathematician Pythagoras.
Here you can find multiplication tables from 21 to 22. You can get the pdf downloads for the full table as well as worksheets.
