Basics of Algebra

KAHN Academy

Foundations

Negative numbers

Order of operations

Decimals, fractions and percentages

Operations with decimals

Area of triangles

Circumference and area of circles

Algebraic expressions

Introduction to variables

Substitution & evaluating expressions

Writing algebraic expressions

Combining like terms

Distributive property

Equivalent algebraic expressions

Nested fractions

Linear equations and inequalities

One-step equations

Two-steps equations

Multi-step equations

One-step inequalities

Two-step inequalities

Multi-step inequalities

Writing & solving proportion

Graphing lines and slope

Coordinate plane

Solutions to two-variable linear equations

x-intercepts and y-intercepts

Slope-intercept form intro

Writing slope-intercept equations

Graphing two-variable inequalities

Systems of equations

Systems of equations intro

Graphical representation of systems of equations

Elimination method for systems of equations

Substitution method for systems of equations

Solving any system of linear equations

Expressions with exponents

Negative exponents

Exponent properties

Scientific notation intro

Scientific notation word problems

Quadratics and polynomials

Adding & subtracting polynomials

Multiplying binomials

Special products of binomials

Factoring polynomials by taking common factors

Factoring quadratics 1

Factoring quadratics 2

Factoring quadratics: Difference of squares

Factoring quadratics: Perfect squares

Solving quadratic equations by factoring

Equations and geometry

Triangle angles

Pythagorean theorem

Triangle similarity intro

Solving similar triangles

Report abuse