Warm-Up Activity Fold your notecard lengthwise Write your name (in large letters) on blank side so it can be on your desk On the lined side of the notecard,

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Presentation transcript:

Warm-Up Activity Fold your notecard lengthwise Write your name (in large letters) on blank side so it can be on your desk On the lined side of the notecard, write a definition in your own words of “variable” as it is used in math

Section 1-1 How do you model relationships with variables and equations?

Vocabulary Variable- Algebraic Expression- a symbol, usually a letter, that represents one or more numbers a mathematical phrase that can include numbers, variables, and operation symbols.

Vocab cont. Equation- Open Sentence- a mathematical sentence that uses an equal sign an equation that contains one or more variables