Evaluate Algebraic Expressions: Examples
More Lessons for Grade 7
Math Worksheets
Videos, worksheets, solutions, and activities to help Algebra 1 or grade 7 students learn how to evaluate algebraic expressions.
We can evaluate an algebraic expression for different values of the variable.
To evaluate 3x + 1 for x = −2, we substitute −2 in place of x
3(−2) + 1 = −6 + 1 = −5
Remember to use order of operations to evaluate and be careful with the minus signs.
Evaluating Algebraic Expressions 1
Part 1 of Evaluating Basic Algebraic Expressions; no negative numbers
Part 2 - includes replacing variables with negative numbers, using order of operations, and simplifying.
This video shows how to evaluate algebraic and variable expressions.
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