Algebraic expressions
9 videos
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Algebra - What Are Algebraic Expressions?
Learn what algebraic expressions are using a pizza example. Discover how variables, numbers, and operations combine to represent unknown quantities in math.
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Algebra - Variables and Algebraic Notation
Learn what variables are in algebra and how to write multiplication using algebraic notation. Understand why letters represent unknown numbers and different ways to show multiplication.
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Algebra - Evaluating Expressions Step by Step
Learn how to evaluate algebraic expressions by substituting values and following order of operations. Includes examples with one and two variables using real-world scenarios.
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Algebra - Translating Words into Algebraic Expressions
Learn to translate English words into algebraic expressions by identifying keywords that map to math operations like addition, subtraction, multiplication, and division.
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Algebra - Combining Like Terms
Learn how to combine like terms in algebra by grouping variables with the same power and adding their coefficients, illustrated with a simple backpack analogy.
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Algebra - Combining Like Terms with Negatives and Fractions
Learn how to combine like terms with fractions and decimals, including negative coefficients. Master identifying like terms and adding/subtracting their coefficients.
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Algebra - The Distributive Property with Variables
Learn the distributive property: multiply outside numbers by each term inside parentheses. Also covers factoring, which reverses the process by pulling out common factors.
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Algebra - Are These Expressions Equivalent?
Learn how to determine if algebraic expressions are equivalent using distribution and substitution. Shows that 3(x+2) equals 3x+6 through simplification and testing.
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Algebra - Simplifying Nested Fractions with Variables
Learn how to simplify nested fractions by flipping the denominator and multiplying. Includes a step-by-step example with variables and a common mistake to avoid.