![]() ![]() The multiplication table is sometimes attributed to the ancient Greek mathematician Pythagoras (570–495 BC). The oldest known tables using a base of 10 are the Chinese decimal multiplication table on bamboo strips dating to about 305 BC, during China's Warring States period. ![]() The oldest known multiplication tables were used by the Babylonians about 4000 years ago. History Pre-modern times The Tsinghua Bamboo Slips, Chinese Warring States era decimal multiplication table of 305 BC Many educators believe it is necessary to memorize the table up to 9 × 9. 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. In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. ![]() Multiplication table from 1 to 10 drawn to scale with the upper-right half labeled with prime factorisations For a table of departure and arrival times, see Timetable (disambiguation). ![]()
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