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Early Equations and Expressions

Algebraic terms are elements separated by the plus or minus signs
expressions is a mathematical phrase that can contain ordinary numbers
equations considered equivalent are said to have the same solution sets.
relational equivalence the relation is equal to
identify missing values finding the unknown number
relational statements by substitution first identify the equivalent relationships within the system and the substitute these values in each equation in place of the variables
standard order of operations In any math problems you must start by calculating the parenthesis first, the exponents, then multiplication and division, then addition and subtraction. PEMDAS
Created by: EstherMartinCobb