| 1. | You Can Learn Anything (30 sec) | 10,784,374 | |
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| 2. | You Can Learn Anything | 7,886,554 | |
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| 3. | Elon Musk - CEO of Tesla Motors and SpaceX | Entrepreneurship | Khan Academy | 6,796,722 | |
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| 4. | Introduction to limits | Limits | Differential Calculus | Khan Academy | 5,578,889 | |
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| 5. | Krebs / citric acid cycle | Cellular respiration | Biology | Khan Academy | 5,217,597 | Vlog |
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| 6. | Probability explained | Independent and dependent events | Probability and Statistics | Khan Academy | 5,178,515 | |
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| 7. | Salman Khan TED Talk 2011 (from ted.com) | 5,047,495 | |
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| 8. | Intro to vectors & scalars | One-dimensional motion | Physics | Khan Academy | 4,594,653 | |
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| 9. | Elements and atoms | Atoms, compounds, and ions | Chemistry | Khan Academy | 3,976,769 | |
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| 10. | Basic trigonometry | Basic trigonometry | Trigonometry | Khan Academy | 3,900,846 | |
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| 11. | The beauty of algebra | Introduction to algebra | Algebra I | Khan Academy | 3,697,707 | |
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| 12. | Basic addition | Addition and subtraction | Arithmetic | Khan Academy | 3,423,392 | |
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| 13. | Finding mean, median, and mode | Descriptive statistics | Probability and Statistics | Khan Academy | 3,422,019 | |
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| 14. | Domain and range of a function given a formula | Algebra II | Khan Academy | 3,381,396 | |
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| 15. | Calculus: Derivatives 1 | Taking derivatives | Differential Calculus | Khan Academy | 3,134,563 | |
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| 16. | Introduction to cellular respiration | Cellular respiration | Biology | Khan Academy | 3,098,650 | Vlog |
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| 17. | What is a function? | Functions and their graphs | Algebra II | Khan Academy | 3,070,434 | |
|
| 18. | Finding the slope of a line from its graph | Algebra I | Khan Academy | 3,029,917 | |
|
| 19. | Hypothesis testing and p-values | Inferential statistics | Probability and Statistics | Khan Academy | 2,901,890 | |
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| 20. | The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy | 2,877,042 | |
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| 21. | How to solve equations of the form ax = b | Linear equations | Algebra I | Khan Academy | 2,825,081 | Guide |
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| 22. | Statistics: The average | Descriptive statistics | Probability and Statistics | Khan Academy | 2,812,622 | |
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| 23. | The kidney and nephron | Renal system physiology | NCLEX-RN | Khan Academy | 2,807,782 | Vlog |
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| 24. | Introduction to the atom | Chemistry of life | Biology | Khan Academy | 2,792,424 | Vlog |
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| 25. | DNA replication and RNA transcription and translation | Khan Academy | 2,780,663 | |
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| 26. | Calculating average velocity or speed | One-dimensional motion | Physics | Khan Academy | 2,765,056 | |
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| 27. | Adding and subtracting fractions | Fractions | Pre-Algebra | Khan Academy | 2,752,123 | |
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| 28. | Parts of a cell | 2,676,829 | |
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| 29. | Differential equation introduction | First order differential equations | Khan Academy | 2,649,336 | |
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| 30. | Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy | 2,642,792 | |
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| 31. | Laplace transform 1 | Laplace transform | Differential Equations | Khan Academy | 2,633,218 | |
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| 32. | Elon Musk $5 million donation to Khan Academy thank you | 2,613,670 | |
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| 33. | Introduction to solving an equation with variables on both sides | Algebra I | Khan Academy | 2,597,591 | |
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| 34. | Introduction to matrices | 2,556,152 | |
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| 35. | Electron Transport Chain | 2,536,583 | |
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| 36. | Basic Trigonometry | 2,532,424 | |
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| 37. | Statistics intro: Mean, median, and mode | Data and statistics | 6th grade | Khan Academy | 2,526,240 | |
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| 38. | Circles: radius, diameter, circumference and Pi | Geometry | Khan Academy | 2,497,797 | |
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| 39. | Balancing Chemical Equations | 2,493,280 | |
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| 40. | How to add fractions that have different denominators | Fractions | Pre-Algebra | Khan Academy | 2,449,783 | Guide |
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| 41. | Introduction to order of operations | Arithmetic properties | Pre-Algebra | Khan Academy | 2,431,515 | |
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| 42. | Introduction to economics | Supply, demand, and market equilibrium | Economics | Khan Academy | 2,414,874 | |
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| 43. | Introduction to Evolution and Natural Selection | 2,393,359 | |
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| 44. | Multiplying two fractions: example | Fractions | Pre-Algebra | Khan Academy | 2,342,483 | |
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| 45. | Overview of glycolysis | Cellular respiration | Biology | Khan Academy | 2,331,362 | Vlog |
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| 46. | More examples of factoring quadratics with a leading coefficient of 1 | Algebra II | Khan Academy | 2,317,766 | |
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| 47. | Probability density functions | Probability and Statistics | Khan Academy | 2,305,964 | |
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| 48. | Introduction to ratios | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy | 2,293,734 | |
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| 49. | Range, variance and standard deviation as measures of dispersion | Khan Academy | 2,276,394 | |
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| 50. | Introduction to Logarithms | 2,192,291 | Vlog |
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| 51. | Statistics: Standard deviation | Descriptive statistics | Probability and Statistics | Khan Academy | 2,188,213 | |
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| 52. | Solving quadratic equations by completing the square | Algebra II | Khan Academy | 2,128,397 | |
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| 53. | Origins of algebra | Introduction to algebra | Algebra I | Khan Academy | 2,127,184 | |
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| 54. | Introduction to rational and irrational numbers | Algebra I | Khan Academy | 2,123,832 | Tutorial |
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| 55. | Simplifying rational expressions introduction | Algebra II | Khan Academy | 2,121,571 | |
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| 56. | Basic multiplication | Multiplication and division | Arithmetic | Khan Academy | 2,121,160 | |
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| 57. | Introduction to chemistry | Atoms, compounds, and ions | Chemistry | Khan Academy | 2,112,718 | |
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| 58. | Converting fractions to decimals | Decimals | Pre-Algebra | Khan Academy | 2,112,357 | |
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| 59. | Negative numbers introduction | Negative numbers and absolute value | Pre-Algebra | Khan Academy | 2,111,413 | |
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| 60. | What is a differential equation | 2,084,690 | |
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| 61. | Diffusion and osmosis | Membranes and transport | Biology | Khan Academy | 2,082,803 | Vlog |
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| 62. | Significant figures | Decimals | Pre-Algebra | Khan Academy | 2,080,859 | |
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| 63. | Photosynthesis | 2,061,190 | |
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| 64. | Estimating actual COVID 19 cases (novel corona virus infections) in an area based on deaths | 2,051,965 | |
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| 65. | Logarithms | Logarithms | Algebra II | Khan Academy | 2,051,208 | Vlog |
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| 66. | Central limit theorem | Inferential statistics | Probability and Statistics | Khan Academy | 2,039,875 | |
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| 67. | Binomial distribution | Probability and Statistics | Khan Academy | 2,022,959 | |
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| 68. | Introduction to limits 2 | Limits | Precalculus | Khan Academy | 2,019,130 | |
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| 69. | Perimeter and area: the basics | Perimeter, area, and volume | Geometry | Khan Academy | 2,005,919 | |
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| 70. | Types of immune responses: Innate and adaptive, humoral vs. cell-mediated | NCLEX-RN | Khan Academy | 1,982,960 | |
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| 71. | Introduction to work and energy | Work and energy | Physics | Khan Academy | 1,951,437 | |
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| 72. | Introduction to long division | Multiplication and division | Arithmetic | Khan Academy | 1,951,212 | |
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| 73. | Adding and subtracting negative numbers | Pre-Algebra | Khan Academy | 1,944,639 | |
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| 74. | Solving a quadratic equation by factoring | Algebra II | Khan Academy | 1,944,265 | |
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| 75. | Simplifying radicals | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy | 1,923,151 | |
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| 76. | How to use the quadratic formula | Polynomial and rational functions | Algebra II | Khan Academy | 1,910,170 | Tutorial |
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| 77. | Least common multiple exercise | Factors and multiples | Pre-Algebra | Khan Academy | 1,905,199 | |
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| 78. | Solving a more complicated equation | Linear equations | Algebra I | Khan Academy | 1,900,477 | |
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| 79. | Discrete and continuous random variables | Probability and Statistics | Khan Academy | 1,896,703 | |
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| 80. | Introduction to Grammar | Grammar | Khan Academy | 1,881,545 | |
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| 81. | Newton, Leibniz, and Usain Bolt | Derivatives introduction | AP Calculus AB | Khan Academy | 1,876,452 | |
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| 82. | Finding probability example | Probability and Statistics | Khan Academy | 1,863,831 | |
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| 83. | Steps of glycolysis | Cellular respiration | Biology | Khan Academy | 1,862,897 | Vlog |
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| 84. | Basic trigonometry II | Basic trigonometry | Trigonometry | Khan Academy | 1,819,097 | |
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| 85. | Slope-intercept form | Algebra I | Khan Academy | 1,803,258 | |
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| 86. | Z-statistics vs. T-statistics | Inferential statistics | Probability and Statistics | Khan Academy | 1,800,485 | |
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| 87. | Inflammatory response | Human anatomy and physiology | Health & Medicine | Khan Academy | 1,799,954 | Vlog |
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| 88. | Solving linear systems by substitution | Algebra Basics | Khan Academy | 1,773,279 | |
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| 89. | Dividing fractions example 2 | Fractions | Pre-Algebra | Khan Academy | 1,757,873 | |
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| 90. | Solving systems of equations by elimination | Algebra Basics | Khan Academy | 1,755,498 | |
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| 91. | How to simplify an expression by combining like terms and the distributive property | Khan Academy | 1,754,164 | Tutorial |
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| 92. | Phases of Meiosis | 1,750,880 | |
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| 93. | DNA | 1,743,728 | |
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| 94. | Basic geometry: language and labels | Introduction to Euclidean geometry | Geometry | Khan Academy | 1,733,156 | |
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| 95. | Intro to lines, line segments, and rays | Geometry | Khan Academy | 1,730,439 | |
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| 96. | What is a variable? | Introduction to algebra | Algebra I | Khan Academy | 1,729,539 | |
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| 97. | What are variables, expressions, and equations? | Introduction to algebra | Algebra I | Khan Academy | 1,727,454 | |
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| 98. | Derivative as slope of a tangent line | Taking derivatives | Differential Calculus | Khan Academy | 1,720,941 | |
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| 99. | Comparing mitosis and meiosis | Cells | MCAT | Khan Academy | 1,715,949 | |
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| 100. | Representing structures of organic molecules | Biology | Khan Academy | 1,715,888 | Vlog |
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