How to Use the Multiplication Table

By Stephen Bucaro

x	2	3	4	5	6	7	8	9
2	4	6	8	10	12	14	16	18
3	6	9	12	15	18	21	24	27
4	8	12	16	20	24	28	32	36
5	10	15	20	25	30	35	40	45
6	12	18	24	30	36	42	48	54
7	14	21	28	35	42	49	56	63
8	16	24	32	40	48	56	64	72
9	18	27	36	45	54	63	72	81

The multiplication table is useful when learning basic math, fractions, and factoring polynomials. The way to use the multiplication table is not to look at the table while solving a math problem, but to memorize the table. Problems involving addition or subtraction of fractions, or factoring polynomials can be solved almost intuitively if you have the multiplication table memorized. In this case the you would actually be using the multiplication table as a division table.

Some multiplication tables have a larger range of numbers, but you don't want to memorize a very large table of numbers. This multiplication table goes from 2 to 9. You don't need 0 in a multiplication table because 0 times any number is 0. You don't need 1 in a multiplication table because 1 times any number is that number.

You don't need 10 in a multiplication table because 10 times any number is that number moved to the ten's place with a zero in the one's place. You don't need 11 in a multiplication table because 11 times any number is that number moved to the ten's place, with that number also in the one's place. For example 11 times 8 is 88.

If you're dealing with numbers requiring factoring numbers higher than 81, you are working at ta higher level of mathematics which requires knowing how to find common factors and primes factors of large numbers.

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