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Stop hating math! Learn math with Professor Dave and you'll love it as much as ice cream. In this series we go from arithmetic all the way to differential equations, so no matter what your level of ability, there's something here for you. See if you can watch them all!

Professor Dave Explains

6:44

Introduction to Mathematics

Professor Dave Explains

8:39

Addition and Subtraction of Small Numbers

Professor Dave Explains

6:20

Multiplication and Division of Small Numbers

Professor Dave Explains

6:13

Understanding Fractions, Improper Fractions, and Mixed Numbers

Professor Dave Explains

4:29

Large Whole Numbers: Place Values and Estimating

Professor Dave Explains

4:21

Decimals: Notation and Operations

Professor Dave Explains

3:36

Working With Percentages

Professor Dave Explains

5:21

Converting Between Fractions, Decimals, and Percentages

Professor Dave Explains

5:57

Addition and Subtraction of Large Numbers

Professor Dave Explains

3:19

The Distributive Property for Arithmetic

Professor Dave Explains

6:28

Multiplication of Large Numbers

Professor Dave Explains

5:41

Division of Large Numbers: Long Division

Professor Dave Explains

5:27

Negative Numbers

Professor Dave Explains

8:42

Understanding Exponents and Their Operations

Professor Dave Explains

4:22

Order of Arithmetic Operations: PEMDAS

Professor Dave Explains

5:53

Divisibility, Prime Numbers, and Prime Factorization

Professor Dave Explains

5:40

Least Common Multiple (LCM)

Professor Dave Explains

4:46

Greatest Common Factor (GCF)

Professor Dave Explains

4:07

Addition and Subtraction of Fractions

Professor Dave Explains

5:06

Multiplication and Division of Fractions

Professor Dave Explains

5:46

Analyzing Sets of Data: Range, Mean, Median, and Mode

Professor Dave Explains

4:04

Introduction to Algebra: Using Variables

Professor Dave Explains

5:16

Basic Number Properties for Algebra

Professor Dave Explains

4:52

Algebraic Equations and Their Solutions

Professor Dave Explains

6:46

Algebraic Equations With Variables on Both Sides

Professor Dave Explains

5:38

Algebraic Word Problems

Professor Dave Explains

5:43

Solving Algebraic Inequalities

Professor Dave Explains

9:02

Square Roots, Cube Roots, and Other Roots

Professor Dave Explains

8:23

Simplifying Expressions With Roots and Exponents

Professor Dave Explains

5:46

Solving Algebraic Equations With Roots and Exponents

Professor Dave Explains

5:13

Introduction to Polynomials

Professor Dave Explains

5:32

Adding and Subtracting Polynomials

Professor Dave Explains

6:25

Multiplying Binomials by the FOIL Method

Professor Dave Explains

9:37

Solving Quadratics by Factoring

Professor Dave Explains

7:32

Solving Quadratics by Completing the Square

Professor Dave Explains

6:55

Solving Quadratics by Using the Quadratic Formula

Professor Dave Explains

9:22

Solving Higher-Degree Polynomials by Synthetic Division and the Rational Roots Test

Professor Dave Explains

9:30

Manipulating Rational Expressions: Simplification and Operations

Professor Dave Explains

6:56

Graphing in Algebra: Ordered Pairs and the Coordinate Plane

Professor Dave Explains

6:52

Graphing Lines in Algebra: Understanding Slopes and Y-Intercepts

Professor Dave Explains

5:06

Graphing Lines in Slope-Intercept Form (y = mx + b)

Professor Dave Explains

5:33

Graphing Lines in Standard Form (ax + by = c)

Professor Dave Explains

4:47

Graphing Parallel and Perpendicular Lines

Professor Dave Explains

10:20

Solving Systems of Two Equations and Two Unknowns: Graphing, Substitution, and Elimination

Professor Dave Explains

5:10

Absolute Values: Defining, Calculating, and Graphing

Professor Dave Explains

9:00

What are the Types of Numbers? Real vs. Imaginary, Rational vs. Irrational

Professor Dave Explains

4:00

Introduction to Geometry: Ancient Greece and the Pythagoreans

Professor Dave Explains

4:19

Basic Euclidean Geometry: Points, Lines, and Planes

Professor Dave Explains

7:24

Types of Angles and Angle Relationships

Professor Dave Explains

5:25

Types of Triangles in Euclidean Geometry

Professor Dave Explains

5:08

Proving Triangle Congruence and Similarity

Professor Dave Explains

6:20

Special Lines in Triangles: Bisectors, Medians, and Altitudes

Professor Dave Explains

3:08

The Triangle Midsegment Theorem

Professor Dave Explains

5:02

The Pythagorean Theorem

Professor Dave Explains

6:17

Types of Quadrilaterals and Other Polygons

Professor Dave Explains

5:08

Calculating the Perimeter of Polygons

Professor Dave Explains

4:58

Circles: Radius, Diameter, Chords, Circumference, and Sectors

Professor Dave Explains

6:39

Calculating the Area of Shapes

Professor Dave Explains

3:34

Proving the Pythagorean Theorem

Professor Dave Explains

7:32

Three-Dimensional Shapes Part 1: Types, Calculating Surface Area

Professor Dave Explains

6:17

Three-Dimensional Shapes Part 2: Calculating Volume

Professor Dave Explains

7:23

Back to Algebra: What are Functions?

Professor Dave Explains

5:29

Manipulating Functions Algebraically and Evaluating Composite Functions

Professor Dave Explains

5:54

Graphing Algebraic Functions: Domain and Range, Maxima and Minima

Professor Dave Explains

7:52

Transforming Algebraic Functions: Shifting, Stretching, and Reflecting

Professor Dave Explains

5:18

Continuous, Discontinuous, and Piecewise Functions

Professor Dave Explains

6:29

Inverse Functions

Professor Dave Explains

3:38

The Distance Formula: Finding the Distance Between Two Points

Professor Dave Explains

7:46

Graphing Conic Sections Part 1: Circles

Professor Dave Explains

6:33

Graphing Conic Sections Part 2: Ellipses

Professor Dave Explains

8:30

Graphing Conic Sections Part 3: Parabolas in Standard Form

Professor Dave Explains

5:57

Graphing Conic Sections Part 4: Hyperbolas

Professor Dave Explains

9:15

Graphing Higher-Degree Polynomials: The Leading Coefficient Test and Finding Zeros

Professor Dave Explains

7:24

Graphing Rational Functions and Their Asymptotes

Professor Dave Explains

7:34

Solving and Graphing Polynomial and Rational Inequalities

Professor Dave Explains

5:59

Evaluating and Graphing Exponential Functions

Professor Dave Explains

8:10

Logarithms Part 1: Evaluation of Logs and Graphing Logarithmic Functions

Professor Dave Explains

6:26

Logarithms Part 2: Base Ten Logs, Natural Logs, and the Change-Of-Base Property

Professor Dave Explains

7:06

Logarithms Part 3: Properties of Logs, Expanding Logarithmic Expressions

Professor Dave Explains

7:08

Solving Exponential and Logarithmic Equations

Professor Dave Explains

8:35

Complex Numbers: Operations, Complex Conjugates, and the Linear Factorization Theorem

Professor Dave Explains

6:22

Set Theory: Types of Sets, Unions and Intersections

Professor Dave Explains

11:12

Sequences, Factorials, and Summation Notation

Professor Dave Explains

15:52

Theoretical Probability, Permutations and Combinations

Professor Dave Explains

6:27

Introduction to Trigonometry: Angles and Radians

Professor Dave Explains

7:18

Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent

Professor Dave Explains

9:48

The Easiest Way to Memorize the Trigonometric Unit Circle

Professor Dave Explains

5:25

Basic Trigonometric Identities: Pythagorean Identities and Cofunction Identities

Professor Dave Explains

11:40

Graphing Trigonometric Functions

Professor Dave Explains

6:54

Inverse Trigonometric Functions

Professor Dave Explains

9:14

Verifying Trigonometric Identities

Professor Dave Explains

9:29

Formulas for Trigonometric Functions: Sum/Difference, Double/Half-Angle, Prod-to-Sum/Sum-to-Prod

Professor Dave Explains

8:28

Solving Trigonometric Equations

Professor Dave Explains

5:14

The Law of Sines

Professor Dave Explains

4:38

The Law of Cosines

Professor Dave Explains

10:46

Polar Coordinates and Graphing Polar Equations

Professor Dave Explains

4:36

Parametric Equations

Professor Dave Explains

8:40

Introduction to Calculus: The Greeks, Newton, and Leibniz

Professor Dave Explains

5:29

Understanding Differentiation Part 1: The Slope of a Tangent Line

Professor Dave Explains

5:31

Understanding Differentiation Part 2: Rates of Change