Hands On Equations: 
Investigation 3: Creating Equivalent Expressions
Quia MMS Math Essentials & Vocabulary
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Arnold Worksite
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  1. Pearson Video Tutor
  2. Brightstorm Defining Variables
  3. Brightstorm Simplifying Expressions

Equations With VariablesBrainPop FolderCore Support Files
NCTM Algebra Activities

NCTM Resources

Work through the sequence of activities and tests
at Bitesize Math​

Introduction to Formulas

Addition Equations 1​

Multiplication Equations​

Division Equations

Balance the Equation​

Addition Equation​

Chopper Fractions

Functions Machine​

Picture Vocabuary

Order of Operations PEMDAS:
first--> Parenthesis, Exponents, Divide, Multiply, Add, Subtract (last)
Not following the order can lead to wrong solutions.

A mathematical phrase that combines numbers and/or variables using mathematical operations.
An expression is a representation of a value; for example, variables and/or numerals that appear alone or in combination with operators are expressions.
5 + 6 – (3 + 2)/18
a + b – c

Variables are (usually) letters or other symbols that represent unknown numbers or values.
a, b,c, n, x, y, z, speed, distance

A mathematical sentence that uses the equal sign (=) to show that two expressions are equal.
    10 + 2 = 12
    4a - 3b = 1