Khan Academy

Algebra: Linear equations 1 | Linear equations | Algebra I | (K-A)

Algebra: Linear equations 2 | Linear equations | Algebra I | (K-A)

Approximating square roots to hundredths | Pre-Algebra | (K-A)

Cube root of a negative number (example) | Pre-Algebra | (K-A)

Simplifying cube roots | Exponent expressions and equations | Algebra I | (K-A)

Example of solving a one-step equation | Linear equations | Algebra I | (K-A)

Simplifying Radical Expressions 2 (K-A)

Example: Evaluating expressions with 2 variables | Algebra I | (K-A)

Simplifying radicals | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

Example: two-step equation with numerator x | Linear equations | Algebra I | (K-A)

Simplifying square roots comment response | Algebra I | (K-A)

Exponent example 1 | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

Simplifying square roots | Exponent expressions and equations | Algebra I | (K-A)

Exponent example 2 | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

Speed of light and distance from sun (scientific notation word problem) | Pre-Algebra | (K-A)

Exponent rules part 1 | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

Square roots and real numbers | Pre-Algebra | (K-A)

Exponent rules part 2 | Exponents, radicals, and scientific notation | Pre-Algebra | (K-A)

U.S. national debt (scientific notation word problem) | Pre-Algebra | (K-A)

Understanding square roots | Pre-Algebra | (K-A)

How to evaluate an expression with variables | Introduction to algebra | Algebra I | (K-A)

What are variables, expressions, and equations? | Introduction to algebra | Algebra I | (K-A)

How to solve equations of the form ax = b | Linear equations | Algebra I | (K-A)

How to solve equations of the form x/a = b | Linear equations | Algebra I | (K-A)

Level 1 Exponents (K-A)