something like 5x4=4x5.
http://wiki.answers.com/Q/What_is_a_commutative_pr...

The commutative property states that changing the order of factors
http://www.chacha.com/question/whatisanexample...

This commutative property states that the sum of 2 numbers is the same no matter the order.
http://www.kgbanswers.com/whatisthecommutative...

1. Erase everything on the black or whiteboard. Give the students paper and writing instruments so they can do the math problems along with you. 2. Write "a + b = b + a"
http://www.ehow.com/how_12174212_teachcommutative...
