Identity Properties

What are properties in math

Rules that are always true no matter what numbers you use

What is the addition identity property

A number plus 0 equals the same number

What is the multiplication identity property

A number times 1 equals the same number

What is the commutative property of addition

Changing the order of numbers does not change the sum

What is the commutative property of multiplication

Changing the order of numbers does not change the product

What does commute mean

Moves places

What is the associative property of addition

Changing the grouping of numbers does not change the sum

What is the associative property of multiplication

Changing the grouping of numbers does not change the product

What does associate mean

Who the numbers are grouped with

What is the distributive property

Multiply the outside number by each inside number

Example of distributive property 2(3+1)

2 × 3 + 2 × 1 = 6 + 2 = 8

Example of distributive property breaking apart numbers

5 × 26 = (5 × 20) + (5 × 6) = 100 + 30 = 130