Number Properties. Rules of the game 2-7-1. Properties. Properties are the rules of the game. If the rules are changed a different kind of math is played. These properties are for everyday math. Commutative Property. Order doesn’t matter. Commutative Property.
Rules of the game
Order doesn’t matter
Grouping Doesn’t Matter
An identity for a particular operation doesn’t change the identity of the number when the operation is done.
Connecting Addition to Multiplication
commutative and associative properties of multiplication.