Mr. Erhart's Class Multiplication Words by Mr. Erhart

Multiplication Words

merhart — 2015-08-28 12:38:02 UTC

FACTOR

merhart — 2015-08-28 12:38:56 UTC

A number that you multiply by another number to get a product. A factor of 18 is 9 because you can multiply 9 times 2 to get 18.

FACTOR PAIR

merhart — 2015-08-28 12:42:04 UTC

Two numbers that you multiply to get a product. A factor pair of 16 is 4 times 4 or 16 times 1 because 4 x 4 =16 and 1 x 16 = 16.

PRIME NUMBER

merhart — 2015-08-28 12:44:45 UTC

A number where you can only make one array (rectangle) because it has only 2 factors, 1 and itself. 17 is prime because it only has 1 x 17 as a factor pair.

COMPOSITE NUMBER

merhart — 2015-08-28 12:47:44 UTC

A number where you can make more than 1 array (rectangle) because it has more than 2 factors. 12 is a composite number because its factor pairs are 2 x 6, 1 x 12, and 3 x 4.

Multiple

merhart — 2015-09-09 13:50:34 UTC

A number that a smaller number could go into evenly. A number you get when you multiply a given number by any other number. 6 is a mulitple of 3. 9 is a mulitiple of 3