Summaries of Khan Academy Videos 📚

Molecular structure of glucose | Macromolecules | Biology | Khan Academy

PBS NewsHour piece on the Khan Academy and Salman Khan

Large sample proportion hypothesis testing | Probability and Statistics | Khan Academy

Weaknesses of fractional reserve lending | The monetary system | Macroeconomics | Khan Academy

Zeros of polynomials (multiplicity) | Polynomial graphs | Algebra 2 | Khan Academy

Congressional elections | Political participation | US government and civics | Khan Academy

Sal Khan @ MIT

Projectile motion (part 1) | One-dimensional motion | Physics | Khan Academy

Algebra: graphing lines 1

Sign convention for passive components | Electrical engineering | Khan Academy

Impact of mutations on translation into amino acids | High school biology | Khan Academy

Pythagorean theorem in 3D | Geometry | 8th grade | Khan Academy

Secant lines & average rate of change | Derivatives introduction | AP Calculus AB | Khan Academy

Implicit derivative of (x^2+y^2)^3 = 5x^2y^2

How to Keep Your Child Learning & Happy! at Home

Subtracting fractions with unlike denominators

Homeroom with Sal & Dan Roth - Wednesday, November 11

Conventional current

Talking bird solves systems with substitution | Algebra II | Khan Academy

Darwinism vs. Social Darwinism part 1 | US History | Khan Academy

2015 AP Chemistry free response 2a (part 1 of 2) | Chemistry | Khan Academy

Unit vectors and engineering notation | Two-dimensional motion | Physics | Khan Academy

Long straddle | Finance & Capital Markets | Khan Academy

Formal definition of limits Part 4: using the definition | AP Calculus AB | Khan Academy

Blueberries and cherries

HTTP and HTML | Internet 101 | Computer Science | Khan Academy

Determining rates with fractions | 7th grade | Khan Academy

Finding derivative with fundamental theorem of calculus: x is on both bounds | Khan Academy

The Second Amendment | The National Constitution Center | US government and civics | Khan Academy

How to simplify a big expression by combining like terms | Algebra I | Khan Academy

Calculating integral with shell method | AP Calculus AB | Khan Academy

nth term divergence test | Series | AP Calculus BC | Khan Academy

Pedigrees | Classical genetics | High school biology | Khan Academy

Relative complement or difference between sets | Probability and Statistics | Khan Academy

Algorithm for mentally computing binomial expansion coefficients | Algebra II | Khan Academy

Sal on Dylan Ratigan show

Homeroom with Sal & Eric Schmidt - Tuesday, November 17

Khan Academy Ed Talks - Reimagining School with Sal Khan, Rachel E. Skiffer, & Kim Dow

GMAT: Data sufficiency 7 | Data sufficiency | GMAT | Khan Academy

Level 2 Addition

Normal force and contact force | Forces and Newton's laws of motion | Physics | Khan Academy

Introduction to work and energy | Work and energy | Physics | Khan Academy

Simplifying hairy exponent expressions

Introduction to angles (old) | Angles and intersecting lines | Geometry | Khan Academy

LeBron asks about comparing Earth's history to a basketball game

Mistakes when finding inflection points: not checking candidates | AP Calculus AB | Khan Academy

U03_L2_T1_we2 Representing Functions as Graphs

Futures margin mechanics | Finance & Capital Markets | Khan Academy

IIT JEE Function Maxima

More on Normal force (shoe on floor) | Physics | Khan Academy

5 Book costs

2 step estimation word problems

Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

A message from Sal on school closures and remote learning on Khan Academy.

Bhaskara's proof of the Pythagorean theorem | Geometry | Khan Academy

Scaling functions introduction | Transformations of functions | Algebra 2 | Khan Academy

Introduction to 3d graphs | Multivariable calculus | Khan Academy

Pearson's chi square test (goodness of fit) | Probability and Statistics | Khan Academy

Differentiating functions: Find the error | Derivative rules | AP Calculus AB | Khan Academy

Direct comparison test | Series | AP Calculus BC | Khan Academy

Tau versus pi | Graphs of trig functions | Trigonometry | Khan Academy

Focus and Directrix of a Parabola 2

Synthetic division | Polynomial and rational functions | Algebra II | Khan Academy

Exploring the solution set of Ax = b | Matrix transformations | Linear Algebra | Khan Academy

Partial derivatives | Multivariable Calculus | Khan Academy

2015 AP Physics 1 free response 1c

Cellular respiration | Food and energy in organisms | Middle school biology | Khan Academy

Fence posts for horses | Addition and subtraction within 100 | Early Math | Khan Academy

Application of the fundamental laws (setup) | Electrical engineering | Khan Academy

Visually dividing a fraction by a whole number

Comparing E2 E1 Sn2 Sn1 Reactions

Models of citizenship | Citizenship | High school civics | Khan Academy

Constant-volume calorimetry | Thermodynamics | AP Chemistry | Khan Academy

Valence Electrons

Expressing a quadratic form with a matrix

Breakdown of gas prices | Supply, demand, and market equilibrium | Microeconomics | Khan Academy

Recognizing shapes | Geometry | Early Math | Khan Academy

Taylor & Maclaurin polynomials intro (part 2) | Series | AP Calculus BC | Khan Academy

Discriminant for types of solutions for a quadratic | Algebra II | Khan Academy

GMAT: Math 39 | Problem solving | GMAT | Khan Academy

Example 2: Variables on both sides | Linear equations | Algebra I | Khan Academy

Describing subsets of sample spaces exercise | Probability and Statistics | Khan Academy

Sums and products of irrational numbers

Solutions to three variable system 2 | Algebra II | Khan Academy

Getting a seed round from a VC | Stocks and bonds | Finance & Capital Markets | Khan Academy

French Revolution (part 2) | World history | Khan Academy

Radical functions differentiation | Derivative rules | AP Calculus AB | Khan Academy

Slope of a secant line example 1 | Taking derivatives | Differential Calculus | Khan Academy

Hubble's law | Scale of the universe | Cosmology & Astronomy | Khan Academy

Derivative of sin(ln(x_)) | Advanced derivatives | AP Calculus AB | Khan Academy

Newton's Laws

Introduction to Compound Interest

Subtracting decimals (old) | Decimals | Pre-Algebra | Khan Academy

A Universe Smaller than the Observable

Price of related products and demand | Microeconomics | Khan Academy

Stokes' theorem proof part 6 | Multivariable Calculus | Khan Academy

Graphing proportional relationships example | 8th grade | Khan Academy

Alternate Solution to Ratio Problem (HD Version)

Solving systems by graphing

What is a differential equation

Recognizing a perfect square quadratic | Algebra II | Khan Academy

Salman Khan Talk at the MIT Club of Northern California

Khan for Educators: Basic site navigation

Identifying tax incidence in a graph | APⓇ Microeconomics | Khan Academy

Worked example: Measuring the energy content of foods using soda-can calorimetry | Khan Academy

Rounding to the nearest 100 | 3rd grade | Khan Academy

Solving equations with zero product property

Blue forehead room solution | Puzzles | Math for fun and glory | Khan Academy

Example: 2-digit times 2-digit | Multiplication and division | Arithmetic | Khan Academy

Second derivatives (vector-valued functions) | Advanced derivatives | AP Calculus BC | Khan Academy

Graphs of absolute value functions | Functions and their graphs | Algebra II | Khan Academy

Chain rule | Derivative rules | AP Calculus AB | Khan Academy

What was the Gilded Age? | US History | Khan Academy

Fractions in context

Definite integrals intro | Accumulation and Riemann sums | AP Calculus AB | Khan Academy

How earth's tilt causes seasons | Cosmology & Astronomy | Khan Academy

Backwardation bullish or bearish | Finance & Capital Markets | Khan Academy

Proof: perpendicular radius bisects chord

2017 AP Calculus AB/BC 4c | AP Calculus AB solved exams | AP Calculus AB | Khan Academy

Khan Academy Ed Talks with Ned Johnson - February 2, 2022

When to use z or t statistics in significance tests | AP Statistics | Khan Academy

Why synthetic division works | Polynomial and rational functions | Algebra II | Khan Academy

Snell's law example 2 | Geometric optics | Physics | Khan Academy

Integration using completing the square and the derivative of arctan(x) | Khan Academy

Second derivative test | Using derivatives to analyze functions | AP Calculus AB | Khan Academy

Economic profit vs accounting profit | Microeconomics | Khan Academy

Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

Constructing and solving equations in the real world 1 exercise

When and why extraneous solution happen

Sine of non special angle | Trig identities and examples | Trigonometry | Khan Academy

The West Indies and the Southern colonies | AP US History | Khan Academy

2003 AIME II problem 15 (part 1) | Math for fun and glory | Khan Academy

Linking function of the colon | The Colon and semicolon | Punctuation | Khan Academy

IIT JEE circle hyperbola common tangent part 2 | Conic sections | Algebra II | Khan Academy

Projectile motion (part 7)

2011 Calculus BC free response #6a | AP Calculus BC | Khan Academy

Calculating average value of function over interval | AP Calculus AB | Khan Academy

LCM and GCF word problems | Factors and multiples | Pre-Algebra | Khan Academy

Chapter 7: Bankruptcy liquidation | Stocks and bonds | Finance & Capital Markets | Khan Academy

Compound inequalities | Linear inequalities | Algebra I | Khan Academy

Brainwave Sep 2011

Showing explicit and implicit differentiation give same result | AP Calculus AB | Khan Academy

Example: Amplitude and period transformations | Trigonometry | Khan Academy

CA Algebra I: Systems of Inequalities

Magnitude of vector sums | Vectors | Precalculus | Khan Academy

Opposite of a number | Negative numbers | 6th grade | Khan Academy

Mastery Learning in Mr. Vandenberg’s Class

PPCs for increasing, decreasing and constant opportunity cost | AP Macroeconomics | Khan Academy

Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

Tragedy of the commons | Consumer and producer surplus | Microeconomics | Khan Academy

Reading (and comparing) multiple books | Reading | Khan Academy

Eigenvalues of a 3x3 matrix | Alternate coordinate systems (bases) | Linear Algebra | Khan Academy

Absolute value equation with no solution | Linear equations | Algebra I | Khan Academy

Sampling distribution example problem | Probability and Statistics | Khan Academy

Changes in labor supply | Microeconomics | Khan Academy

Sum of factors of 27000 | AIME | Math for fun and glory | Khan Academy

CAHSEE practice: Problems 32-34 | CAHSEE | Khan Academy

Worked example: estimating sin(0.4) using Lagrange error bound | AP Calculus BC | Khan Academy

What is capital? | GDP: Measuring national income | Macroeconomics | Khan Academy

Optimization: sum of squares | Applications of derivatives | AP Calculus AB | Khan Academy

Evolution of political parties in picking candidates and voter mobilization | Khan Academy

Graphs of rational functions: vertical asymptotes | High School Math | Khan Academy

Finding a point part way between two points | Analytic geometry | Geometry | Khan Academy

Antiparallel structure of DNA strands | Biology | Khan Academy

AP Physics 1 review of Centripetal Forces | Physics | Khan Academy

Multiplying multiple digit numbers | Multiplication and division | Arithmetic | Khan Academy

Converting percent to decimal and fraction | Decimals | Pre-Algebra | Khan Academy

Simple model to understand r and g relationship

Dividing quadratics by linear expressions with remainders | Algebra 2 | Khan Academy

Organic Chemistry Naming Examples 4

Definite Integrals (part 4)

Worked example: recognizing function from Taylor series | Series | AP Calculus BC | Khan Academy

Lorentz transformation for change in coordinates | Physics | Khan Academy

8 Total videos rented

Change of base formula proof | Logarithms | Algebra II | Khan Academy

Khan for Educators: Course Mastery

Incenter and incircles of a triangle | Geometry | Khan Academy

Missing value addition and subtraction problems with negative numbers | 7th grade | Khan Academy

Perpendicular lines from equation | Mathematics I | High School Math | Khan Academy

IIT JEE Integral with Binomial Expansion

Interview with Karina Murtagh

Core spiritual ideas of Buddhism | World History | Khan Academy

Equation of a tangent line | Taking derivatives | Differential Calculus | Khan Academy

Tyranny and despotism | US History | Khan Academy

Trapezoidal sums | Accumulation and Riemann sums | AP Calculus AB | Khan Academy

How to write one-step equations for word problems | 6th grade | Khan Academy

Mixed numbers and improper fractions | Fractions | Pre-Algebra | Khan Academy

Khan Academy Ed Talks with Benjamin Riley - Wednesday, January 5, 2022

Percent Problems

Shorting stock | Stocks and bonds | Finance & Capital Markets | Khan Academy

Embryonic stem cells | Cells | MCAT | Khan Academy

3 x 3 determinant | Matrix transformations | Linear Algebra | Khan Academy

Factoring quadratics as (x+a)(x+b) (example 2) | Mathematics II | High School Math | Khan Academy

2015 AP Calculus BC 5a | AP Calculus BC solved exams | AP Calculus BC | Khan Academy

Viewing g as the value of Earth's gravitational field near the surface | Khan Academy

Level 2 Exponents

Citizens United v. Federal Election Commission | US government and civics | Khan Academy

How to convert kilograms to milligrams and tons to ounces | Khan Academy

Bailout 15: More on the solution

Inca Empire overview | World History | Khan Academy

Coulomb's Law | Electrostatics | Electrical engineering | Khan Academy

Sal Khan has conversation with MIT Dean of Admissions

Atherosclerosis - Part 2

Photosynthesis

Polynomial end behavior example | Polynomial and rational functions | Algebra II | Khan Academy

Nightline: Learn Everything, Online

Phototropism | Plant Biology | Khan Academy

Financial Times October 2011

Red blood cells in human body (scientific notation word problem) | Pre-Algebra | Khan Academy

Polynomial approximation of functions (part 6)

Finding the heavier ball

_-substitution: definite integral of exponential function | AP Calculus AB | Khan Academy

2011 Calculus AB free response #2 (c & d) | AP Calculus AB | Khan Academy

Prepositions of space | The parts of speech | Grammar | Khan Academy

Why policy decisions may not reflect perceived public opinion

Examples establishing conditions for MVT

Singapore Math: Grade 3a, Unit 1 (part 4)

Change of basis matrix | Alternate coordinate systems (bases) | Linear Algebra | Khan Academy

Stokes' theorem proof part 4 | Multivariable Calculus | Khan Academy

Impact velocity from given height | One-dimensional motion | Physics | Khan Academy

Electric field | Electric charge, electric force, and voltage | Physics | Khan Academy

Asymptotes of rational functions | Polynomial and rational functions | Algebra II | Khan Academy

Example calcuating magnitude of vector from graph

Derivative of log_x (for any positive base a­1) | AP Calculus AB | Khan Academy

Time dilation | Special relativity | Physics | Khan Academy

Relation of null space to linear independence of columns

Recognizing divisibility | Factors and multiples | Pre-Algebra | Khan Academy

Selective incorporation | Civil liberties and civil rights | US government and civics | Khan Academy

Addition elimination method 1 | Systems of equations | 8th grade | Khan Academy

Graphing a Basic Function

Part 2 of the transform of the sin(at) | Laplace transform | Differential Equations | Khan Academy

Finding more angles | Angles and intersecting lines | Geometry | Khan Academy

Ratios and double number lines

Solving a quadratic equation by factoring | Algebra II | Khan Academy

Verifying hedge with futures margin mechanics | Finance & Capital Markets | Khan Academy

Modeling with combined functions | Functions and their graphs | Algebra II | Khan Academy

GMAT: Math 20 | Problem solving | GMAT | Khan Academy

Deficit and debt ceiling | American civics | US government and civics | Khan Academy

Composing 3x3 matrices | Matrices | Precalculus | Khan Academy

Adding the opposite with integer chips | 7th grade | Khan Academy

Converting mixed numbers to improper fractions | Fractions | Pre-Algebra | Khan Academy

Constructing quadrilateral based on symmetry | Transformations | Geometry | Khan Academy

Place value for decimals greater than one (examples) | 4th grade | Khan Academy

Curly arrow conventions in organic chemistry

Presidential oversight of the bureaucracy

Missing numbers in three digit subtraction

Comparing fractions with same numerator | Math | 3rd grade | Khan Academy

Classifying figures with coordinates | Analytic geometry | High school geometry | Khan Academy

Trigonometry word problems (part 1)

Overview of animal and plant cells | Biology | Khan Academy

Sal Khan on CNN Starting Point (Oct 5, 2012)

How to Engage + Motivate Your Students Even When You're Remote!

Introduction to entropy | Applications of thermodynamics | AP Chemistry | Khan Academy

ATP hydrolysis mechanism | Energy and enzymes | Biology | Khan Academy

Comparing absolute values on number line | Negative numbers | 6th grade | Khan Academy

Probability (part 5)

Strong Acid Titration

Shells, subshells, and orbitals | Atomic structure and properties | AP Chemistry | Khan Academy

Ratios and measurement

Classical Japan during the Heian Period | World History | Khan Academy

Example: Intersection of sine and cosine | Graphs of trig functions | Trigonometry | Khan Academy

Random number list to run experiment | Probability | AP Statistics | Khan Academy

GMAT: Math 38 | Problem solving | GMAT | Khan Academy

Integrating factors 2 | First order differential equations | Khan Academy

Logistic function application | First order differential equations | Khan Academy

Cosmic Microwave Background Radiation 2

Reflecting functions: examples | Transformations of functions | Algebra 2 | Khan Academy

Writing a series in sigma notation

Chiral examples 1 | Stereochemistry | Organic chemistry | Khan Academy

Approximating limits using tables | Limits and continuity | AP Calculus AB | Khan Academy

Area and perimeter word problem: table dimensions | Khan Academy

Substitution method 2 | Systems of equations | 8th grade | Khan Academy

Comparing models to fit data | Regression | Probability and Statistics | Khan Academy

Squeeze theorem exercise example | Limits | Differential Calculus | Khan Academy

Rational inequalities 2 | Polynomial and rational functions | Algebra II | Khan Academy

Congruent and Similar Triangles

Cavalieri's principle in 3D | Solid geometry | High school geometry | Khan Academy

Sampling distribution of the difference in sample proportions -Probability example

Fossils | Evolution | Middle school biology | Khan Academy

Finding points with vertical tangents

15 Possible values for expression

Circuit Terminology

Similar triangles to prove that the slope is constant for a line | Algebra I | Khan Academy

Analyzing polynomial manipulations | Polynomial and rational functions | Algebra II | Khan Academy

Bitcoin - Cryptographic hash function

How to estimate the average rate of change of a modeling function from a graph | Khan Academy

Scientific notation examples | Pre-Algebra | Khan Academy

American progress in the Pacific in 1944 | The 20th century | World history | Khan Academy

Alternate proof to induction for integer sum | Precalculus | Khan Academy

Comparing fractions with different denominators | Fractions | Pre-Algebra | Khan Academy

Constructing a box and whisker plot | Probability and Statistics | Khan Academy

Geithner plan 3 | Money, banking and central banks | Finance & Capital Markets | Khan Academy

Vapor pressure example | Chemistry | Khan Academy

Generating equivalent fractions | Fractions | 3rd grade | Khan Academy

Repeating decimal as infinite geometric series | Precalculus | Khan Academy

Interest groups and lobbying | Political participation | US government and civics | Khan Academy

Domain and range 2 | Functions and their graphs | Algebra II | Khan Academy

Partial derivatives 2 | Multivariable Calculus | Khan Academy

Article VI of the Constitution | National Constitution Center | Khan Academy

Reasoning through inequality expressions | Linear inequalities | Algebra I | Khan Academy

Example: Correlation coefficient intuition | Mathematics I | High School Math | Khan Academy

Expensing a truck leads to inconsistent performance | Finance & Capital Markets | Khan Academy

Factors affecting supply | Supply, demand, and market equilibrium | Microeconomics | Khan Academy

Dividing rational expressions | Precalculus | Khan Academy

Adding and Subtracting Rational Expressions 1

More uses for commas | Punctuation | Grammar | Khan Academy

Stepping Through Iterative Fibonacci Function

Worked example: Area enclosed by cardioid | AP Calculus BC | Khan Academy

Challenging perimeter problem | Perimeter, area, and volume | Geometry | Khan Academy

Projectile motion (part 4) | One-dimensional motion | Physics | Khan Academy

Median and range puzzle | Data and statistics | 6th grade | Khan Academy

Estimating decimal multiplication

Using matrices to represent data: Payoffs | Matrices | Precalculus | Khan Academy

Early phases of Civil War and Antietam | US History | Khan Academy

Showing angles have same measure | Angles and intersecting lines | Geometry | Khan Academy

Presidential signing statements | US government and civics | Khan Academy

GMAT: Data sufficiency 33 | Data sufficiency | GMAT | Khan Academy

Solving the matrix vector equation | Matrices | Precalculus | Khan Academy

Vector components from initial and terminal points | Vectors | Precalculus | Khan Academy

3d curl formula, part 2

Four factors of production | AP Microeconomics | Khan Academy

Impact on median and mean when removing lowest value example | 6th grade | Khan Academy

Exchange rate primer | AP Macroeconomics | Khan Academy

Conjugate acids and bases

Reasoning with systems of equations | Equivalent systems of equations | Algebra I | Khan Academy

Binomial Theorem (part 2)

Common denominators: 3/5 and 7/2 | Math | 4th grade | Khan Academy

Seasons | The Earth-sun-moon system | Middle school Earth and space science | Khan Academy

Request for Videos from Users!

Actual CPI-U Basket of Goods

Arbitraging futures contract | Finance & Capital Markets | Khan Academy

Chromosomal crossover in Meiosis I

Viruses

Worked example: arithmetic series (sum expression) | High School Math | Khan Academy

Angles of parallel lines 2 | Angles and intersecting lines | Geometry | Khan Academy

Proving a sequence converges using the formal definition | Series | AP Calculus BC | Khan Academy

Example: Graphing y=3⋅sin(½⋅x)-2 | Trigonometry | Algebra 2 | Khan Academy

Cosine equation solution set in an interval

Monte Carlo Simulation to Answer LeBron's Question

Parallel resistors (part 2) | Circuit analysis | Electrical engineering | Khan Academy

Simulation providing evidence that (n-1) gives us unbiased estimate | Khan Academy

Uniporters, symporters and antiporters | Biology | Khan Academy

Diode

Confidence interval for hypothesis test for difference in proportions | AP Statistics | Khan Academy

How price controls reallocate surplus | APⓇ Microeconomics | Khan Academy

1944 - Allies advance further in Europe | The 20th century | World history | Khan Academy

Word problem: What fraction of an hour should the piano still be practiced? | Khan Academy

Equivalent fraction word problem example 4 | Fractions | Pre-Algebra | Khan Academy

How to convert hours to minutes and minutes to seconds | Khan Academy

Introduction to conic sections | Conic sections | Algebra II | Khan Academy

Ways to represent data | Data and statistics | 6th grade | Khan Academy

Subtracting complex numbers | Imaginary and complex numbers | Precalculus | Khan Academy

Adding complex numbers and Argand Diagrams | Precalculus | Khan Academy

Heron's formula | Perimeter, area, and volume | Geometry | Khan Academy

Monkeys for the queen

Epsilon-delta limit definition 1 | Limits | Differential Calculus | Khan Academy

Breakthrough Junior Challenge Winner Reveal! Homeroom with Sal - Thursday, December 3

Human fertilization and early development | High school biology | Khan Academy

Introduction to definite integrals

Applying Einstein velocity addition | Special relativity | Physics | Khan Academy

Business cycles and the production possibilities curve | APⓇ Macroeconomics | Khan Academy

The development of an American culture | AP US History | Khan Academy

Completing the square for vertex form | Quadratic equations | Algebra I | Khan Academy

Producer surplus | Consumer and producer surplus | Microeconomics | Khan Academy

Hypothesis testing and p-values | Inferential statistics | Probability and Statistics | Khan Academy

Worked example: limit comparison test | Series | AP Calculus BC | Khan Academy

Writing equations in all forms | Algebra I | Khan Academy

Radio Interview: Sal Khan on Diane Rehm (Oct 3, 2012)

Proof of angle addition formula for cosine | Trigonometry | Khan Academy

Preaching to the choir questions 5-9

Box-and-Whisker Plots

Introduction to the matrix | Matrices | Precalculus | Khan Academy

What is the domain of a function? | Functions | Algebra I | Khan Academy

Understanding Logical Statements 2

Increasing opportunity cost | Microeconomics | Khan Academy

How to classify numbers | Numbers and operations | 8th grade | Khan Academy

Cupcake economics 2 | Inflation | Finance & Capital Markets | Khan Academy

Analyzing mistakes when finding extrema (example 1) | AP Calculus AB | Khan Academy

Homeroom with Sal - Is College Right for Me? (Part 1)

Inflation Overview | Inflation | Finance & Capital Markets | Khan Academy

Radio Interview: Sal Khan on Brian Lehrer (Oct 4, 2012)

Double integrals 6 | Double and triple integrals | Multivariable Calculus | Khan Academy

Cosmic background radiation 2 | Scale of the universe | Cosmology & Astronomy | Khan Academy

Definite integral of shifted function

Eulers sine wave

Frankish women in the Carolingian Dynasty primary source | World History | Khan Academy

Worked example identifying experiment | Study design | AP Statistics | Khan Academy

Increasing political battles over slavery in mid 1800s | US History | Khan Academy

The Gates Notes: Administrators in Los Altos

Example 3: Solving systems by substitution | Systems of equations | 8th grade | Khan Academy

Homeroom with Sal & David Siegel - Wednesday, July 14

Place value example with 42 | Place value (tens and hundreds) | Early Math | Khan Academy

There, their, and they're | Frequently confused words | Usage | Grammar

Introduction to the inverse of a function | Matrix transformations | Linear Algebra | Khan Academy

Sal Khan Interview with IT Conversations - January 31,2010

Subset, strict subset, and superset | Probability and Statistics | Khan Academy

Part-to-whole relationships in text structure | Reading | Khan Academy

Introduction to projections | Matrix transformations | Linear Algebra | Khan Academy

Visually assessing standard deviation | AP Statistics | Khan Academy

Introduction to the unit circle | Trigonometry | Khan Academy

Beginning of World War II | The 20th century | World history | Khan Academy

Introduction to the atom | Chemistry of life | Biology | Khan Academy

Differentiating polynomials example | Derivative rules | AP Calculus AB | Khan Academy

Relating circumference and area

Worked example: Interpreting potential energy curves of diatomic molecules | Khan Academy

Implicit derivative of y = cos(5x - 3y) | Taking derivatives | Differential Calculus | Khan Academy

Office Hours With Sal: Wednesday, March 18. Livestream From Homeroom

Graphing inequalities 2 | Algebra Basics | Khan Academy

Verbal Answers to "Ask Me Anything" on Reddit

Impacts of Urbanization| AP Environmental science| Khan Academy

Life in traffic question 5

The Hittite Empire and the Battle of Kadesh | Early Civilizations | World History | Khan Academy

GMAT: Math 49 | Problem solving | GMAT | Khan Academy