Math Courses
Browse Video Courses
ACT Prep: Help and Review
(299 video lessons)
ACT Prep: Practice & Study Guide
(296 video lessons)
ACT Prep: Tutoring Solution
(313 video lessons)
AP Calculus AB & BC: Exam Prep
(136 video lessons)
AP Calculus AB & BC: Help and Review
(124 video lessons)
AP Calculus AB & BC: Homework Help Resource
(136 video lessons)
AP Calculus AB & BC: Tutoring Solution
(136 video lessons)
Algebra I: High School
(248 video lessons)
Algebra II: High School
(253 video lessons)
Amsco Geometry: Online Textbook Help
(78 video lessons)
Business 110: Business Math
(39 video lessons)
Business 116: Quantitative Analysis
(5 video lessons)
CAHSEE Math Exam: Help and Review
(192 video lessons)
CAHSEE Math Exam: Test Prep & Study Guide
(192 video lessons)
CAHSEE Math Exam: Tutoring Solution
(192 video lessons)
CLEP Calculus: Study Guide & Test Prep
(104 video lessons)
CLEP College Algebra: Study Guide & Test Prep
(81 video lessons)
CLEP College Mathematics: Study Guide & Test Prep
(108 video lessons)
CLEP Precalculus: Study Guide & Test Prep
(82 video lessons)
CSET Mathematics Subtest I: Practice and Study Guide
(31 video lessons)
CSET Mathematics Subtest II: Practice and Study Guide
(45 video lessons)
CSET Mathematics Subtest III: Practice and Study Guide
(88 video lessons)
Calculus: Certificate Program
(104 video lessons)
Calculus: Help and Review
(104 video lessons)
Calculus: Homework Help Resource
(104 video lessons)
Calculus: Tutoring Solution
(104 video lessons)
College Algebra: Certificate Program
(81 video lessons)
College Algebra: Help and Review
(81 video lessons)
College Mathematics: Certificate Program
(108 video lessons)
College Preparatory Mathematics: Help and Review
(108 video lessons)
Common Core Math  Algebra: High School Standards
(56 video lessons)
Common Core Math  Functions: High School Standards
(34 video lessons)
Common Core Math  Geometry: High School Standards
(18 video lessons)
Common Core Math  Number & Quantity: High School Standards
(35 video lessons)
Common Core Math  Statistics & Probability: High School Standards
(46 video lessons)
Common Core Math Grade 8  Expressions & Equations: Standards
(15 video lessons)
Common Core Math Grade 8  Functions: Standards
(8 video lessons)
ELM: CSU Math Study Guide
(133 video lessons)
GED Math: Algebra, Geometry & Arithmetic
(257 video lessons)
GED Math: Help and Review
(257 video lessons)
GED Math: Tutoring Solution
(257 video lessons)
GRE Prep: Help and Review
(175 video lessons)
GRE Prep: Tutoring Solution
(175 video lessons)
GRE Test: Practice & Study Guide
(175 video lessons)
Geometry: High School
(114 video lessons)
Glencoe Algebra 1: Online Textbook Help
(193 video lessons)
Glencoe Geometry: Online Textbook Help
(95 video lessons)
High School Algebra I: Help and Review
(248 video lessons)
High School Algebra I: Homework Help Resource
(250 video lessons)
High School Algebra I: Tutoring Solution
(248 video lessons)
High School Algebra II: Help and Review
(254 video lessons)
High School Algebra II: Homeschool Curriculum
(253 video lessons)
High School Algebra II: Homework Help Resource
(253 video lessons)
High School Algebra II: Tutoring Solution
(253 video lessons)
High School Geometry: Help and Review
(114 video lessons)
High School Geometry: Homework Help Resource
(115 video lessons)
High School Geometry: Tutoring Solution
(114 video lessons)
High School Precalculus: Help and Review
(243 video lessons)
High School Precalculus: Homework Help Resource
(244 video lessons)
High School Precalculus: Tutoring Solution
(243 video lessons)
High School Trigonometry: Help and Review
(189 video lessons)
High School Trigonometry: Homeschool Curriculum
(16 video lessons)
High School Trigonometry: Homework Help Resource
(189 video lessons)
High School Trigonometry: Tutoring Solution
(189 video lessons)
Holt Geometry: Online Textbook Help
(82 video lessons)
Holt McDougal Algebra 2: Online Textbook Help
(179 video lessons)
Introduction to Statistics: Certificate Program
(60 video lessons)
Introduction to Statistics: Help and Review
(60 video lessons)
Introduction to Statistics: Homework Help Resource
(60 video lessons)
Introduction to Statistics: Tutoring Solution
(60 video lessons)
LSAT Prep: Help and Review
(61 video lessons)
LSAT Prep: Tutoring Solution
(61 video lessons)
LSAT Test: Online Prep & Review
(61 video lessons)
MCAT Prep: Tutoring Solution
(492 video lessons)
Math 101: College Algebra
(81 video lessons)
Math 102: College Mathematics
(108 video lessons)
Math 103: Precalculus
(82 video lessons)
Math 104: Calculus
(104 video lessons)
Math 105: Precalculus Algebra
(103 video lessons)
Math 106: Contemporary Math
(50 video lessons)
McDougal Littell Algebra 2: Online Textbook Help
(204 video lessons)
McDougal Littell Geometry: Online Textbook Help
(93 video lessons)
McDougal Littell PreAlgebra: Online Textbook Help
(142 video lessons)
NY Regents Exam  Geometry: Help and Review
(101 video lessons)
NY Regents Exam  Geometry: Test Prep & Practice
(101 video lessons)
NY Regents Exam  Geometry: Tutoring Solution
(101 video lessons)
NY Regents Exam  Integrated Algebra: Help and Review
(246 video lessons)
NY Regents Exam  Integrated Algebra: Test Prep & Practice
(245 video lessons)
NY Regents Exam  Integrated Algebra: Tutoring Solution
(245 video lessons)
PPST Math Test: Practice & Study Guide
(61 video lessons)
PSAT Prep: Help and Review
(151 video lessons)
PSAT Prep: Practice & Study Guide
(144 video lessons)
PSAT Prep: Tutoring Solution
(151 video lessons)
Praxis II Mathematics: Practice and Study Guide
(217 video lessons)
Praxis Math Core Academic Test: Practice & Study Guide
(127 video lessons)
Precalculus Algebra: Certificate Program
(103 video lessons)
Precalculus: Certificate Program
(82 video lessons)
Precalculus: Help and Review
(82 video lessons)
Precalculus: High School
(243 video lessons)
Precalculus: Homework Help Resource
(82 video lessons)
Precalculus: Tutoring Solution
(82 video lessons)
Prentice Hall Algebra 2: Online Textbook Help
(210 video lessons)
Prentice Hall Geometry: Online Textbook Help
(89 video lessons)
SAT Mathematics Level 1: Help and Review
(182 video lessons)
SAT Mathematics Level 2: Help and Review
(192 video lessons)
SAT Prep: Help and Review
(223 video lessons)
SAT Prep: Practice & Study Guide
(223 video lessons)
SAT Prep: Tutoring Solution
(223 video lessons)
SAT Subject Test Mathematics Level 1: Practice and Study Guide
(182 video lessons)
SAT Subject Test Mathematics Level 1: Tutoring Solution
(182 video lessons)
SAT Subject Test Mathematics Level 2: Practice and Study Guide
(192 video lessons)
SAT Subject Test Mathematics Level 2: Tutoring Solution
(192 video lessons)
Statistics 101: Principles of Statistics
(60 video lessons)
Supplemental Math: Study Aid
(17 video lessons)
TExES Mathematics 712: Practice and Study Guide
(232 video lessons)
Trigonometry: High School
(213 video lessons)
UExcel Precalculus Algebra: Study Guide & Test Prep
(103 video lessons)
UExcel Statistics: Study Guide & Test Prep
(60 video lessons)
Supplemental Materials
Lesson Categories
Math
 Angle Addition Postulate: Definition & Examples
 Calculating Average Speed: Formula & Practice Problems
 Bimodal Distribution: Definition, Example & Quiz
 Law of Contrapositive in Math: Definition & Example
 Symmetric Property of Equality: Definition & Examples
 Additive Inverse Property: Definition & Examples
 How to Find Simple Interest Rate: Definition, Formula & Examples
 Direct Variation: Definition, Formula & Examples
 What Are Composite Numbers?  Definition & Examples
 Midsegment: Theorem & Formula
 How to Solve Simultaneous Equations
 Concentric Circles: Definition & Examples
 What is a Scale Factor?  Definition, Formula & Examples
 What is a Frequency Table?  Definition & Examples
 Dividing Decimals: Steps, Rules & Examples
 Cube Root: Definition, Formula & Examples
 Finding the Area of a Sector: Formula & Practice Problems
 Equivalent Ratios: Definition & Examples
 What Are Prime Numbers?  Definition & Examples
 What is an Equation in Math?  Definition & Examples
 Perpendicular Bisector: Definition, Theorem & Equation
 What is Compound Interest?  Definition, Formula & Examples
 Proper Fractions: Definition & Examples
 Concave & Convex Polygons: Definition & Examples
 What is Expanded Form in Math?  Definition & Examples
 Supplementary Angle: Definition & Theorem
 What is a Number Sentence?  Definition & Examples
 Writing Equivalent Expressions: Definition & Examples
 Multiplicative Identity Property: Definition & Example
 What is an Ordinal Number?  Definition & Example
 Calculating Weighted Average: Method, Formula & Example
 Divisor in Math: Definition & Example
 What is Numerical Data?  Definition, Examples & Quiz
 What is a Proportion in Math?  Definition, Practice Problems & Quiz
 How to Reduce or Simplify Improper Fractions
 Mixed Numbers: How to Add, Subtract, Multiply & Divide
 What is PEMDAS?  Definition, Rule & Examples
 Contingency Table: Statistics, Probability & Examples
 Calculating Possible Outcomes: Definition, Formula & Quiz
 Probability of Compound Events: Definition, Examples & Quiz
 What is a Math Concept?  Lesson & Quiz
 Intersection in Math: Definition, Symbol & Quiz
 Range of Values: Definition, Lesson & Quiz
 What are Roman Numerals?  Number Conversion, Chart & Quiz
 Mathematical Symbols: List, Meanings & Quiz
 How to Estimate in Math: Definition, Lesson & Quiz
 What is Probability in Math?  Definition, Lesson & Quiz
 Circle Graph: Definition, Examples & Quiz
 Addend in Math: Definition, Lesson & Quiz
 Data Points: Definition, Lesson & Quiz
 Finite Set: Definition, Lesson & Quiz
 Union of Sets in Math: Definition, Terms & Symbol
 Graphs: Types, Examples & Functions
 The Empty Set in Math: Definition, Symbol & Quiz
 Subsets in Math: Definition, Examples & Quiz
 Binomial: Definition, Examples & Quiz
 What is Ratio in Math?  Definition, Lesson & Quiz
 What are Variables in Math?  Definition, Examples & Quiz
 What is a Pie Chart?  Definition, Examples & Quiz
 What is a Positive Integer?  Definition, Examples & Quiz
 What is the Product in Math?  Definition, Lesson & Quiz
 Additive Property: Definition, Examples & Quiz
 Calculate Percentages: Formula, Lesson & Quiz
 Distance in Math: Formula, Lesson & Quiz
 What is Area in Math?  Definition, Formula & Quiz
 Origin in Math: Definition, Lesson & Quiz
Precalculus
 Special & Common Trig Values: Lesson & Quiz
 Tangents: Definition, Properties & Quiz
 Pythagorean Identities in Trigonometry: Definition & Examples
 Radian Measure: Definition, Formula & Quiz
 Tangent in Trigonometry: Definition, Lesson & Quiz
 Arcsine: Definition, Lesson & Quiz
 Arccosine: Definition, Lesson & Quiz
Algebra
 Interquartile Range: Definition, Formula & Example
 Probability Distribution: Definition, Formula & Example
 Perfect Square: Definition, Formula & Examples
 Commutative Property: Definition & Examples
 What is a Variable Expression?  Definition & Example
 What is Slope Intercept Form?  Definition, Equation & Examples
 What Is a Factor Pair?
Statistics
 Sample Space in Statistics: Definition & Examples
 Uniform Distribution in Statistics: Definition & Examples
 What is Theoretical Probability?  Definition, Formula & Examples
 Permutation: Definition, Formula & Examples
 Categorical Data: Definition, Analysis & Examples
 Data Set in Math: Definition, Examples & Quiz
 Internal Consistency Reliability: Example, Definition & Quiz
Calculus
 Principal Square Root: Definition & Example
 Undetermined Coefficients: Method, Examples & Quiz
 Optimization Problems in Calculus: Examples, Lesson & Quiz
 Circular Functions: Equations, Examples & Quiz
 Finding Critical Points in Calculus: Function, Graph & Quiz
 Integration Problems in Calculus: Solutions, Examples & Quiz
 Solving Complex Equations: Examples, Lesson & Quiz
Basic Math
 Arabic Numerals: Definition, History & Example
 What Are Compatible Numbers?  Definition & Examples
 Interval Notation: Definition & Examples
 Arithmetic Mean: Definition, Formula & Example
 Percent Increase: Definition & Formula
 Percent Decrease: Formula & Calculation
 What is a Factor Tree?  Definition & Example
Geometry
 How to Find the Radius of a Circle: Definition & Formula
 454590 Triangle: Theorem, Rules & Formula
 Identity Matrix: Definition & Properties
 What Are Adjacent Angles?  Definition & Examples
 How to Find the Diameter of a Circle: Definition, Formula & Example
 How to Find the Equation of a Circle
 What is a Quadrilateral?  Definition, Properties, Types & Example

Education Portal Instructors
Education Portal's 53 instructors bring a diverse array of experience and expertise to each course. From teaching philosophy in Athens, Greece, to exploring the mystery of genetics, each instructor is uniquely qualified to bring students the best online learning experience possible. Meet them now!

Jessica Bayliss, M.S.
Jessica is our Director of Education and leads the development of Education Portal's courses. She has 10 years of experience in education and online teaching. Her work with students of all age levels drives her belief in the power of online resources to make higher education more affordable and efficient. Jessica's favorite part of the day is reading feedback from Education Portal's students. She has a bachelor's degree from the University of Illinois and a master's degree in instructional technology from Texas A&M  Kingsville. 
Greg Chin, Ph.D.
Greg has taught genetics, molecular biology, and general biology to high school, collegiate, and postgraduate students at Stanford University, the University of California, Los Angeles, Santa Clara University and the Dolan DNA Learning Center at Cold Spring Harbor Laboratory. He has also taught science workshops for the general public and led biology teacher enrichment workshops throughout the U.S. He received a B.S. in Genetics from the University of California, Davis, and a Ph.D. from Stanford University. Find out how your genes work in Greg's introduction to genetics video lesson! 
Max Pfingsten, M.Ed.
Max has taught classics, history and philosophy at a variety of levels at the Dikemes Academy in Athens, the Boulder Valley School District, University of Colorado at Boulder and the Illinois Mathematics and Science Academy (IMSA). His work is noteworthy for its synthesis of technology and simulation with more traditional teaching approaches. He received a B.A. in Classics from Depauw University, a M.A. in Classics from University of Colorado at Boulder, and a M.Ed. from Jones International University. See Socrates come to life in Max's lesson on the life, death, and philosophy of the great Socrates.  Meet all 53 of our instructors
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