1.2 Commutative Property of Addition and Multiplication
Channel: rootmath
Date: 20/02/2012

http://www.rootmath.org | Algebra

In this video we learn the commutative property of addition and multiplication.  The commutative property tells us that it doesn't matter which order we add or multiply in.  We can right this rule like this:

a + b = b + a
ab = ba


Although this rule is very simple its very important!