2.  I can identify and use the properties of real numbers

3.  Equivalent expressions- two algebraic expressions are equivalent if they have the same values for all values of the variable(s).  Deductive reasoning- is the process of reasoning logically from given facts to a conclusion.  Counterexample- an example showing that a statement is false.

4. AdditionMultiplication Commutative2+3 = 3+ 2(2)(3) = (3)(2) Associative(2+3) + 4 = 2 + (3+ 4) Identity Properties2+0=2 Property of Zero2*0 = 0 Property of -1-1 * 2 = -2 Inverse Property-2 + 2 = 0