Never fall behind in math class again! Our short, 5-minute video lessons explain tough math concepts in a way that's simple for you to understand. Transcripts and captions are also available for your convenience. Each lesson is followed by a quiz, which ensures you've got the math all figured out.

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Math
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Math Videos

326
Videos

8
Concepts

How to Solve Equations on a Calculator

1.1K

Radians & Degrees on a Calculator

1.5K

Trigonometry Functions & Exponentials on a Calculator

1.1K

Misleading Graphs: Definition & Examples

7.8K

Reading & Interpreting Pictographs

3K

Converting Numbers to Scientific Notation

9.5K

How to Use the Fundamental Counting Principle

12K

Tree Diagrams in Math: Definition & Examples

14K

Overview of Three-dimensional Shapes in Geometry

11K

Solving Word Problems: Steps & Examples

51K

How to Read and Interpret Scale Drawings

14K

Using the Number Line to Compare Decimals, Fractions, and Whole Numbers

37K

Organizing and Understanding Data with Tables & Schedules

8.7K

How to Perform Division: Steps & Examples

12K

How to Perform Multiplication: Steps & Examples

13K

How to Perform Subtraction: Steps & Examples

11K

How to Perform Addition: Steps & Examples

20K

Practice Problems for Calculating Ratios and Proportions

18K

Frequency & Relative Frequency Tables: Definition & Examples

281K

Linear Momentum: Definition, Equation, and Examples

177K

Applying Systems of Linear Equations to Market Equilibrium: Steps & Example

13K

Write the Standard Form of an Equation by Completing the Square

13K

Graphing & Solving Quadratic Inequalities: Examples & Process

21K

Graphing a System of Quadratic Inequalities: Examples & Process

7.4K

Analyzing the Graph of a Rational Function: Asymptotes, Domain, and Range

40K

Graphing Rational Functions That Have Linear Polynomials: Steps & Examples

3K

Graphing Rational Functions That Have Polynomials of Various Degrees: Steps & Examples

2.8K

Domain & Range of Composite Functions: Definition & Examples

48K

One-to-One Functions: Definitions and Examples

38K

What is a Power Function? - Definition, Equations, Graphs & Examples

111K

What is a Radical Function? - Definition, Equations & Graphs

30K

Fundamental Theorem of Algebra: Explanation and Example

16K

Factoring Polynomials Using Quadratic Form: Steps, Rules & Examples

14K

Using Rational & Complex Zeros to Write Polynomial Equations

155K

Remainder Theorem & Factor Theorem: Definition & Examples

137K

Finding Rational Zeros Using the Rational Zeros Theorem & Synthetic Division

27K

Writing the Inverse of Logarithmic Functions

17K

Basic Graphs & Shifted Graphs of Logarithmic Functions: Definition & Examples

16K

Using the Change-of-Base Formula for Logarithms: Definition & Example

16K

Transformation of Exponential Functions: Examples & Summary

73K

Using the Natural Base e: Definition & Overview

9.7K

Identifying the Line of Symmetry: Definition & Examples

43K

Experiments vs Observational Studies: Definition, Differences & Examples

179K

Applying Systems of Linear Equations to Breakeven Point: Steps & Example

46K

Using Quadratic Models to Find Minimum & Maximum Values: Definition, Steps & Example

179K

Graphing Sine and Cosine Transformations

16K

Even & Odd Functions: Definition & Examples

28K

Law of Cosines: Definition and Application

9.1K

The Double Angle Formula

6.4K

Using Unit Circles to Relate Right Triangles to Sine & Cosine

12K

Law of Sines: Definition and Application

11K

Graphing Sine and Cosine

10K

Special Right Triangles: Types and Properties

11K

Writing & Evaluating Algebraic Expressions for Two-Dimensional Geometric Figures

10K

How to Graph Reflections Across Axes, the Origin, and Line y=x

236K

How to Graph Logarithms: Transformations and Effects on Domain/Range

38K

Solving Rational Equations and Finding the Least Common Denominator

7.2K

Properties of Shapes: Triangles

10K

Properties of Shapes: Circles

11K

Scales of Measurement: Nominal, Ordinal, Interval & Ratio

344K

Using the Raw Score Method to Compute the Correlation Coefficient

8.4K

Correlational Research: Definition, Purpose & Examples

463K

Interpreting the Correlation Coefficient

16K

The Relationship Between Variables: Correlation Coefficient & Scatterplots

14K

Limitations of Correlational Research

35K

Solving Quadratic Inequalities Using Two Binomials

5.4K

Solving Linear Inequalities: Practice Problems

10K

How to Find and Apply The Slope of a Line

25K

Comparing and Ordering Decimals

32K

What is a Histogram in Math? - Definition & Examples

32K

Make Estimates and Predictions from Categorical Data

3.9K

Reading and Interpreting Line Graphs

35K

Summarizing Categorical Data using Tables

5.4K

Making Estimates and Predictions using Quantitative Data

5.1K

What is Quantitative Data? - Definition & Examples

67K

What is a Variable in Algebra?

38K

Practice Simplifying Algebraic Expressions

19K

Expressing Relationships as Algebraic Expressions

34K

Evaluating Simple Algebraic Expressions

32K

Calculations with Ratios and Proportions

32K

Comparing and Ordering Fractions

23K

What Is The Order of Operations in Math? - Definition & Examples

99K

Area of Complex Figures

12K

Properties of Congruent and Similar Shapes

34K

Properties of Shapes: Quadrilaterals, Parallelograms, Trapezoids, Polygons

143K

Contingency Table: Statistics, Probability & Examples

46K

Circles: Area and Circumference

38K

Optimization Problems in Calculus: Examples & Explanation

77K

Graphing Circles: Identifying the Formula, Center and Radius

23K

What is a Function? - Applying the Vertical Line Test

5.2K

What are Piecewise Functions?

15K

How to Find the Domain of Piecewise Functions

56K

How to Graph Piecewise Functions

11K

Translating Piecewise Functions

4.5K

What is a Linear Function? - Definition & Examples

137K

How to Find the Prime Factorization of a Number

218K

How to Find the Greatest Common Factor

40K

How to Use The Midpoint Formula

24K

How to Find the Least Common Multiple

39K

How to Use The Distance Formula

24K

Interpreting Graphs and Charts of Scientific Data: Practice Problems

45K

Unit Circle: Memorizing the First Quadrant

12K

Converting Between Radians and Degrees

16K

Graphing the Tangent Function: Amplitude, Period, Phase Shift & Vertical Shift

49K

How to Solve Trigonometric Equations for X

9K

List of the Basic Trig Identities

12K

Manipulating Functions and Solving Equations for Different Variables

15K

How to Evaluate Composite Functions

13K

Logical Fallacies: Hasty Generalization, Circular Reasoning, False Cause & Limited Choice

17K

Logical Fallacies: Appeals to Ignorance, Emotion or Popularity

13K

The Pythagorean Theorem: Practice and Application

26K

Angles and Triangles: Practice Problems

15K

Perimeter of Triangles and Rectangles

28K

Applications of Similar Triangles

44K

Types of Angles: Vertical, Corresponding, Alternate Interior & Others

225K

Parallel, Perpendicular and Transverse Lines

27K

How to Identify Similar Triangles

33K

Area of Triangles and Rectangles

26K

Properties of Shapes: Rectangles, Squares and Rhombuses

98K

How to Calculate Mean, Median, Mode & Range

152K

How to Calculate a Permutation

21K

Math Combinations: Formula and Example Problems

67K

How to Calculate Simple Conditional Probabilities

15K

Probability of Independent and Dependent Events

54K

Understanding Bar Graphs and Pie Charts

57K

How to Calculate the Probability of Combinations

245K

Either/Or Probability: Overlapping and Non-Overlapping Events

42K

Probability of Independent Events: The 'At Least One' Rule

155K

Calculating the Standard Deviation

37K

How to Calculate the Probability of Permutations

29K

How to Calculate Percent Increase with Relative & Cumulative Frequency Tables

18K

Probability of Simple, Compound and Complementary Events

59K

Critical Thinking and Logic in Mathematics

40K

Logical Math Connectors: Conjunctions and Disjunctions

22K

Propositions, Truth Values and Truth Tables

37K

Conditional Statements in Math

27K

How to Change Categorical Propositions to Standard Form

4K

Cardinality & Types of Subsets (Infinite, Finite, Equal, Empty)

23K

Mathematical Sets: Elements, Intersections & Unions

70K

Categorical Propositions: Subject, Predicate, Equivalent & Infinite Sets

6.2K

Venn Diagrams: Subset, Disjoint, Overlap, Intersection & Union

58K

How to Find the Cartesian Product

12K

What is a Two-Way Table?

34K

How to Find the Arc Length of a Function

4.2K

Arithmetic and Geometric Series: Practice Problems

19K

What Are the Different Parts of a Graph?

62K

What are the Different Types of Numbers?

321K

How to Add, Subtract, Multiply and Divide Functions

26K

What Is Domain and Range in a Function?

53K

How to Compose Functions

22K

Applying Function Operations Practice Problems

18K

Transformations: How to Shift Graphs on a Plane

24K

Inverse Functions

29K

Functions: Identification, Notation & Practice Problems

60K

Summation Notation and Mathematical Series

17K

How to Calculate a Geometric Series

9.3K

Finding and Classifying Geometric Sequences

19K

How to Calculate an Arithmetic Series

25K

What is a Mathematical Sequence?

32K

How to Find and Classify an Arithmetic Sequence

23K

How to Solve Logarithmic Equations

14K

Exponential Growth vs. Decay

36K

Practice Problems for Logarithmic Properties

15K

What Is an Exponential Function?

70K

Logarithmic Properties

15K

How to Evaluate Logarithms

53K

What is a Logarithm?

21K

How to Solve Exponential Equations

22K

What Is a Factorial?

11K

Binomial Theorem Practice Problems

8.9K

What is the Binomial Theorem?

9.3K

Factorial Practice Problems

11K

Practice Adding and Subtracting Rational Expressions

15K

Rational Equations: Practice Problems

8.9K

How to Multiply and Divide Rational Expressions

28K

How to Add and Subtract Rational Expressions

22K

How to Solve a Rational Equation

34K

Multiplying and Dividing Rational Expressions: Practice Problems

18K

How to Add, Subtract and Multiply Polynomials

34K

How to Use Synthetic Division to Divide Polynomials

20K

Dividing Polynomials with Long and Synthetic Division: Practice Problems

42K

How to Divide Polynomials with Long Division

73K

Rational Exponents

26K

Simplifying Expressions with Rational Exponents

68K

How to Simplify Expressions with Exponents

36K

How to Graph Cubics, Quartics, Quintics and Beyond

18K

What Are the Five Main Exponent Properties?

40K

How to Define a Zero and Negative Exponent

48K

How to Graph a Complex Number on the Complex Plane

16K

How to Add, Subtract and Multiply Complex Numbers

24K

How to Divide Complex Numbers

16K

What is an Imaginary Number?

31K

How to Solve Quadratics with Complex Numbers as the Solution

23K

How to Solve a Quadratic Equation by Factoring

23K

How to Solve Quadratics That Are Not in Standard Form

23K

How to Use the Quadratic Formula to Solve a Quadratic Equation

25K

How to Complete the Square

19K

Multiplying Binomials Using FOIL & the Area Method: Practice Problems

16K

Multiplying Binomials Using FOIL and the Area Method

20K

How to Factor Quadratic Equations: FOIL in Reverse

71K

Completing the Square Practice Problems

17K

Factoring Quadratic Equations: Polynomial Problems with a Non-1 Leading Coefficient

47K

Parabolas in Standard, Intercept, and Vertex Form

152K

What is a Parabola?

44K

What is an Inequality?

39K

How to Graph 1- and 2-Variable Inequalities

28K

Set Notation, Compound Inequalities, and Systems of Inequalities

20K

Graphing Inequalities: Practice Problems

24K

How to Solve and Graph an Absolute Value Inequality

24K

Solving and Graphing Absolute Value Inequalities: Practice Problems

24K

How to Evaluate Absolute Value Expressions

26K

How to Solve an Absolute Value Equation

23K

Solving Absolute Value Practice Problems

14K

What is an Absolute Value?

26K

How to Graph an Absolute Value and Do Transformations

33K

Graphing Absolute Value Equations: Dilations & Reflections

38K

How to Take a Determinant of a Matrix

21K

What is a Matrix?

28K

How Do I Use a System of Equations?

26K

What is a System of Equations?

38K

Abstract Algebraic Examples and Going from a Graph to a Rule

29K

Graphing Undefined Slope, Zero Slope and More

100K

What is a Linear Equation?

116K

Linear Equations: Intercepts, Standard Form and Graphing

68K

How to Write a Linear Equation

52K

Separation of Variables to Solve System Differential Equations

5.4K

Calculating Integrals of Simple Shapes

5K

How to Calculate Volumes Using Single Integrals

4.5K

How to Find Volumes of Revolution With Integration

8.5K

How to Solve Improper Integrals

3.5K

Partial Fractions: How to Factorize Fractions with Quadratic Denominators

8.2K

Integration and Dynamic Motion

3.6K

Differential Notation in Physics

3.8K

How to Find Simple Areas With Root Finding and Integration

1.8K

Using Integration By Parts

7.2K

How to Integrate Functions With Partial Fractions

4.6K

Anti-Derivatives: Calculating Indefinite Integrals of Polynomials

4.5K

How to Calculate Integrals of Trigonometric Functions

15K

Calculating Rate and Exponential Growth: The Population Dynamics Problem

49K

Related Rates: The Distance Between Moving Points Problem

7.2K

How to Solve Integrals Using Substitution

3.8K

Related Rates: The Draining Tank Problem

30K

How to Find Area Between Functions With Integration

3.8K

How to Calculate Integrals of Exponential Functions

5.7K

Substitution Techniques for Difficult Integrals

2.7K

How to Use Trigonometric Substitution to Solve Integrals

3.1K

Understanding Trigonometric Substitution

5.4K

How to Find the Limits of Riemann Sums

3.4K

Calculating Derivatives of Exponential Equations

4.5K

Using Limits to Calculate the Derivative

8.6K

Using the Chain Rule to Differentiate Complex Functions

11K

Applying L'Hopital's Rule in Simple Cases

2.1K

Data Mining: Function Properties from Derivatives

1.9K

What is L'Hopital's Rule?

4.3K

Derivatives: Graphical Representations

5.4K

Linear Properties of Definite Integrals

3K

Calculating Higher Order Derivatives

5.1K

How to Find Derivatives of Implicit Functions

6.9K

Linearization of Functions

4.3K

Graphing the Derivative from Any Function

5.3K

What It Means To Be 'Differentiable'

5.2K

Calculating Derivatives of Polynomial Equations

4.2K

Calculating Derivatives of Trigonometric Functions

7.8K

When to Use the Quotient Rule for Differentiation

17K

Optimizing Simple Systems

2.8K

What is the Mean Value Theorem?

5.2K

Indefinite Integrals as Anti Derivatives

3.9K

How to Determine Maximum and Minimum Values of a Graph

119K

Understanding Concavity and Inflection Points with Differentiation

9.5K

The Fundamental Theorem of Calculus

4.6K

Concavity and Inflection Points on Graphs

3.9K

Derivatives: The Formal Definition

6.5K

Applying L'Hopital's Rule in Complex Cases

5.1K

How to Identify and Draw Left, Right and Middle Riemann Sums

7.2K

Slopes and Rate of Change

8.2K

The Linear Properties of a Derivative

3.7K

What is Newton's Method?

3.2K

Applying the Rules of Differentiation to Calculate Derivatives

19K

Data Mining: Identifying Functions From Derivative Graphs

7K

Optimization and Differentiation

7.3K

Optimizing Complex Systems

3K

How to Use Riemann Sums to Calculate Integrals

7.7K

Definite Integrals: Definition

4.7K

Rolle's Theorem: A Special Case of the Mean Value Theorem

5.7K

How to Calculate Derivatives of Inverse Trigonometric Functions

6K

Velocity and the Rate of Change

8.5K

How to Estimate Function Values Using Linearization

3.1K

Differentiating Factored Polynomials: Product Rule and Expansion

6.5K

What is the Trapezoid Rule?

7.1K

Average Value Theorem

2.3K

Using Differentiation to Find Maximum and Minimum Values

32K

Non Differentiable Graphs of Derivatives

3.3K

How to Use Riemann Sums for Functions and Graphs

4K

Understanding Higher Order Derivatives Using Graphs

3.4K

How to Use Newton's Method to Find Roots of Equations

21K

How to Solve Visualizing Geometry Problems

12K

Squeeze Theorem: Definition and Examples

9K

Continuity in a Function

9.8K

Radians & Degrees on the CLEP Scientific Calculator

8.9K

Discontinuities in Functions and Graphs

14K