Table of 19 table of 20 16 x 1 16 17 x 1 17 18 x 1 18 19 x 1 19 20 x 1 20 16 x 2 32 17 x 2 34 18 x 2 36 19 x 2 38 20 x 2 40 16 x 3 48 17 x 3 51 18 x 3 54 19 x 3 57 20 x 3 60 16 x 4 64 17 x 4 68 18 x 4 72 19 x 4 76 20 x 4 80 16 x 5 80. This website lists multiplication tables from 1 to 20 use these charts to teach your child multiplication and see how it improves his her memory 1 times table 1 x 1 1 1 x 2 2 1 x 3 3 1 x 4 4 1 x 5 5. Multiplication tables from 1 to 20 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 . 1 to 20 times tables is available in pdf printable downloadable format for easy reference each multiplication table in the 1 to 20 times tables contain 20 rows with a respective multiplication operation will be very useful for grade school students to learn basic multiplication