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Curated Video
Powers vs. Exponents
In this video lesson we will learn about powers, exponents and bases. We will understand that a power is represents a base and an exponent where the exponent tells us how many times to multiply the base by itself. We will write...
Curated Video
Evaluating Expressions: Understanding the Difference between Evaluating and Solving.
In this video, the teacher explains the difference between evaluating and solving expressions and reviews the order of operations. They give examples of how to evaluate expressions when given a value for the variable and provide tips...
Curated Video
Mastering Math: Evaluating Expressions Made Easy
In this video, the teacher explains how to evaluate algebraic expressions by replacing variables with given values and following the order of operations. The lesson includes examples of evaluating expressions with one or more variables.
Khan Academy
Khan Academy: Algebra: Negative and Positive Exponents
Video simplifying an algebraic expression with negative exponents and then evaluating it when x equals 2. [2:19]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions 3
Video evaluating an exponential expression using the order of operations. Includes negative exponents. [4:26]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions 2
Video evaluating an exponential expression using the order of operations. Includes a zero exponent. [3:01]
Khan Academy
Khan Academy: Algebra: Evaluating Exponential Expressions
Video evaluating an exponential expression using the order of operations. [2:41]
Khan Academy
Khan Academy: Algebra: Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs. Also shows how to evaluate expressions by substituting in specific variable values. [12:26]
Khan Academy
Khan Academy: Variables and Expressions: Evaluating Exponential Expressions 2
Video evaluating an exponential expression using the order of operations.