LESSON: Writing Expressions and Equations

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Vocab/Objectives

Objectives

  • Write addition and subtraction phrases as single-variable expressions.
  • Write multiplication and division phrases as single-variable expressions.
  • Write single variable equations from verbal models.
  • Model real-world situations with simple equations.

    • Vocabulary

    Expression
    a number sentence with variables, numbers and operations.
    Variable
    a letter used to represent an unknown quantity.
    Algebraic Expression
    a combination of multiple variables, numbers and operations.
    Equation
    a number sentence with an equal sign where the quantity on one side of the equals is the same as the quantity on the other side.
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