Mrs. Macejewski's Class Multiplication Vocabulary by Mr. Erhart

Multiplication Vocabulary

merhart — 2015-08-28 13:56:29 UTC

FACTOR

merhart — 2015-08-28 14:01:05 UTC

A number you multiply by another number to get a product. 3 is a factor of 18 because 3 times 6 equals 18. 3 x 6 =18

FACTOR PAIRS

merhart — 2015-08-28 14:03:59 UTC

Two numbers that multiply to make a product. 3 and 6 are a factor pair for 18 because 3 x 6 = 18.

Prime Number

merhart — 2015-08-28 14:07:18 UTC

A number where you can only make 1 array (rectangle) because it only has 2 factors, 1 and itself. For example 19 only has 1 and 19 as factors.

Composite Number

merhart — 2015-08-28 14:11:01 UTC

A number where you can make more than 1 array (rectangle) because it has more than 2 factors. For example 18 has 6 factors, 1, 2, 3, 6, 9, and 18. It has more than 1 factor pair.

Multiple

merhart — 2015-09-10 14:47:53 UTC

A number that you get when you multiply a number by a given number. A number that a smaller number will go into evenly. 20 is a multiple of 2. 21 is a multiple of 7