Math Vocabulary Chapter 3

Front 1

Changing the order of factors does not change the product:
a x b = b x a
Example: 5x 10 = 10 x 5

Back 1

Commutative Property

Front 2

The product of any number and 1 is that number
Example: 72 x 1 = 72

Back 2

Identity Property

Front 3

Changing the grouping of factors does not change the product:
Example: 3 x (5 x 4) = (3 x 5) x 4

Back 3

Associative Property

Front 4

The product of any number and 0 is 0:
Example: 36 x 0 = 0

Back 4

Zero Property

Front 5

When you multiply th sum of two or more addends by a factor, the product is the same as if you multiplied each addend by the factor and then added the products.
Example: 4( 2 + 3) = (4 x2) + (4x3)

Back 5

Distributive Property

Front 6

In multiplication of numbers with two or more digits, the product of each digit in one factor and the other number.
48
x 23
144
+ 960
1,104

Back 6

Partial Products

Front 7

Estimation by looking at the digits in the greatest place of each number

Back 7

Front-end Estimation

Front 8

The number that is divided in a division problem

Back 8

dividend

Front 9

The number by which a number is being divided

Back 9

divisor

Front 10

One of two or more numbers that is are multiplied to give a product

Back 10

factor