Lesson: The Language of Algebra Mathematics

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In this lesson, we will learn how to identify variables and terms, and distinguish between expressions, equations, formulae, and identities.

Students will be able to

identify terms and variables in a given expression,
distinguish between
- expressions (contain letters and/or numbers but no equal sign nor inequality sign),
- equations (mathematical sentences with an equal sign and at least one unknown that allows us to find the value or values of the unknown),
- formulas (equations showing the relationship between certain quantities),
- identities (an equation that is true for any value of the variable).