2013-11-08 | Vertical distance of bouncing ball | Sequences, series and induction | Precalculus | Khan Academy | 5:10 | 141,186 | |
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2013-10-29 | Birth of the US Constitution | US History | Khan Academy | 12:43 | 159,704 | |
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2013-10-29 | First draft of the Declaration of Independence | US History | Khan Academy | 8:10 | 55,596 | |
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2013-10-29 | Tyranny and despotism | US History | Khan Academy | 9:54 | 54,279 | |
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2013-10-29 | Life, liberty and the pursuit of happiness | US History | Khan Academy | 5:55 | 94,280 | |
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2013-10-29 | All men are created equal | US History | Khan Academy | 7:14 | 87,688 | |
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2013-10-29 | Background and introduction to the United States Declaration of Independence | Khan Academy | 8:37 | 167,043 | |
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2013-10-29 | Walter Isaacson explains the drafting of the Declaration of Independence to Sal | 7:04 | 6,789 | |
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2013-10-08 | Comparing fractions with greater than and less than symbols | Fractions | Pre-Algebra | Khan Academy | 5:19 | 732,960 | |
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2013-10-07 | Whole numbers as fractions | Fractions | 3rd grade | Khan Academy | 4:23 | 465,675 | |
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2013-10-07 | Fraction basics | Fractions | 3rd grade | Khan Academy | 4:15 | 1,216,149 | |
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2013-10-07 | Equivalent fractions visually and on number line | 3rd grade | Khan Academy | 4:02 | 298,892 | |
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2013-10-07 | More than one equal section | Fractions | 3rd grade | Khan Academy | 3:48 | 532,918 | |
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2013-10-07 | Fractions on a number line | Fractions | 3rd grade | Khan Academy | 4:16 | 1,139,512 | |
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2013-10-07 | Generating equivalent fractions | Fractions | 3rd grade | Khan Academy | 4:12 | 296,408 | |
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2013-10-07 | Comparing fractions visually and on number line | 3rd grade | Khan Academy | 4:43 | 215,310 | |
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2013-10-07 | Different ways to represent 1 as a fraction | 3rd grade | Khan Academy | 3:46 | 206,208 | |
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2013-10-04 | Mental technique for subtraction without regrouping | 3rd grade | Khan Academy | 2:37 | 237,658 | |
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2013-10-04 | Subtracting: three digit numbers and basic regrouping | Arithmetic | Khan Academy | 2:47 | 971,802 | |
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2013-10-04 | Adding three digit numbers with regrouping | Addition and subtraction | Arithmetic | Khan Academy | 3:04 | 779,579 | |
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2013-10-04 | Subtracting: Regrouping from zero | Addition and subtraction | Arithmetic | Khan Academy | 2:24 | 630,050 | |
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2013-10-04 | Subtracting: regrouping twice | Addition and subtraction | Arithmetic | Khan Academy | 3:48 | 553,796 | |
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2013-10-04 | Subtracting: three digit numbers and regrouping | Arithmetic | Khan Academy | 3:20 | 542,782 | |
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2013-10-04 | Adding: why carrying works | Addition and subtraction | Arithmetic | Khan Academy | 2:30 | 684,134 | |
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2013-10-04 | Adding three-digit numbers | Addition and subtraction | Arithmetic | Khan Academy | 2:26 | 1,080,758 | |
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2013-10-04 | Rounding to the nearest 100 | 3rd grade | Khan Academy | 4:56 | 474,607 | |
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2013-10-04 | Rounding to the nearest 10 | 3rd grade | Khan Academy | 6:22 | 1,061,733 | |
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2013-10-04 | Examples rounding to the nearest 10 and 100 | 3rd grade | Khan Academy | 6:17 | 465,458 | |
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2013-10-01 | Conversation on Google+ with Sal Khan | 1:01:23 | 0 | |
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2013-09-29 | Institutional roles in issuing and processing credit cards | Khan Academy | 11:41 | 182,066 | |
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2013-09-29 | Introduction to bonds | Stocks and bonds | Finance & Capital Markets | Khan Academy | 8:42 | 1,026,368 | |
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2013-09-29 | Compound interest introduction | Interest and debt | Finance & Capital Markets | Khan Academy | 6:38 | 1,200,744 | |
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2013-09-29 | Basics of estate tax | 5:11 | 63,337 | |
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2013-09-29 | Basics of US income tax rate schedule | Taxes | Finance & Capital Markets | Khan Academy | 4:08 | 209,179 | |
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2013-09-29 | Annual Percentage Rate (APR) and effective APR | Finance & Capital Markets | Khan Academy | 7:12 | 508,646 | |
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2013-09-29 | 401(k)s | Finance & Capital Markets | Khan Academy | 9:00 | 100,733 | |
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2013-09-29 | Open-ended mutual funds | 9:39 | 37,214 | |
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2013-09-29 | Personal bankruptcy - Chapters 7 and 13 | Finance & Capital Markets | Khan Academy | 13:04 | 112,951 | |
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2013-09-29 | Relationship between bond prices and interest rates | Finance & Capital Markets | Khan Academy | 13:16 | 1,513,406 | |
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2013-09-29 | Roth IRAs | Finance & Capital Markets | Khan Academy | 16:30 | 168,920 | |
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2013-09-29 | The rule of 72 for compound interest | Interest and debt | Finance & Capital Markets | Khan Academy | 9:11 | 491,360 | |
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2013-09-29 | Traditional IRAs | Finance & Capital Markets | Khan Academy | 13:24 | 122,673 | |
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2013-09-29 | Unemployment rate primer | Current Economics | Finance & Capital Markets | Khan Academy | 9:47 | 72,903 | |
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2013-09-29 | What it means to buy a company's stock | Stocks and bonds | Finance & Capital Markets | Khan Academy | 13:47 | 665,343 | |
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2013-09-29 | Finding width from perimeter and length | Measurement | Pre-Algebra | Khan Academy | 4:09 | 180,639 | |
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2013-09-28 | Introduction to perimeter | Measurement | Pre-Algebra | Khan Academy | 3:21 | 899,801 | |
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2013-09-27 | Calculating the square footage of a house | Measurement | Pre-Algebra | Khan Academy | 6:04 | 291,073 | |
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2013-09-27 | Area of rectangles and the distributive property | Measurement | Pre-Algebra | Khan Academy | 3:49 | 198,158 | |
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2013-09-27 | Comparing areas of plots of land | Measurement | Pre-Algebra | Khan Academy | 2:45 | 137,776 | |
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2013-09-27 | Rectangle area as product of dimensions same as counting unit squares | Pre-Algebra | Khan Academy | 5:20 | 493,095 | |
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2013-09-27 | Measuring the same rectangle with different unit squares | Measurement | Pre-Algebra | Khan Academy | 3:44 | 257,870 | |
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2013-09-27 | Introduction to area and unit squares | Measurement | Pre-Algebra | Khan Academy | 4:17 | 606,772 | |
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2013-09-26 | Estimating the probability of getting a bullseye | 2:35 | 5,374 | |
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2013-09-26 | Compound events example with tree diagram | Precalculus | Khan Academy | 2:24 | 162,540 | |
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2013-09-26 | Compound events example using diagram | Probability and combinatorics | Precalculus | Khan Academy | 2:24 | 55,720 | |
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2013-09-25 | Making sense of probabilities | 4:39 | 22,526 | |
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2013-09-25 | Comparing probabilities example t2 | 2:18 | 29,586 | |
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2013-09-24 | Area and perimeter word problem: table dimensions | Khan Academy | 4:46 | 228,040 | |
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2013-09-24 | Area and perimeter word problem: width of a dog pen | Khan Academy | 3:14 | 377,037 | |
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2013-09-24 | Area and perimeter word problem: comparing areas of rectangles | Pre-Algebra | Khan Academy | 2:21 | 241,906 | |
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2013-09-24 | Measurement units example | 1:26 | 876 | |
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2013-09-24 | Choose pounds or ounces to measure weight | 4th grade | Khan Academy | 1:15 | 108,673 | |
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2013-09-24 | Next Week: Conversation on Google+ with Sal Khan | 1:00 | 2,757 | |
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2013-09-23 | Unit measurement word problem: distance (US customary) | 5th grade | Khan Academy | 4:14 | 125,094 | |
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2013-09-23 | Units of measurement word problem: volume (metric) | 5th grade | Khan Academy | 4:05 | 101,231 | |
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2013-09-23 | Time word problem: How long is Susan's break? | 4th grade | Khan Academy | 3:38 | 173,468 | |
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2013-09-23 | Unit conversion: centimeters to meters | Measurement and data | 5th grade | Khan Academy | 3:03 | 569,677 | |
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2013-09-23 | Unit conversion: ordering metric distances | Measurement and data | 5th grade | Khan Academy | 4:02 | 205,063 | |
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2013-09-23 | Unit conversion: minutes to hours | Measurement and data | 5th grade | Khan Academy | 4:54 | 325,980 | |
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2013-09-20 | Quadrilaterals: find the type exercise | Quadrilaterals | Geometry | Khan Academy | 2:48 | 398,701 | |
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2013-09-20 | Quadrilaterals: kites as a geometric shape | Quadrilaterals | Geometry | Khan Academy | 5:38 | 293,030 | |
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2013-09-18 | Defining a function at a point to make it continuous | Limits | Differential Calculus | Khan Academy | 4:57 | 316,554 | |
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2013-09-18 | Fancy algebra to find a limit and make a function continuous | Differential Calculus | Khan Academy | 5:20 | 229,007 | |
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2013-09-18 | Limit and function defined at point of discontinuity | Limits | Differential Calculus | Khan Academy | 4:05 | 214,231 | |
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2013-09-11 | Overview of Chinese history 1911 - 1949 | The 20th century | World history | Khan Academy | 11:07 | 472,145 | |
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2013-09-06 | FICO scores and credit bureaus | 6:58 | 37,252 | |
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2013-08-31 | Proof: Sum of measures of angles in a triangle are 180 | Geometry | Khan Academy | 4:28 | 607,753 | |
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2013-08-27 | How to find the average rate of change from a formula | Functions | Algebra I | Khan Academy | 5:04 | 282,391 | Tutorial |
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2013-08-26 | Adding, subtracting numbers in different formats | Decimals | Pre-Algebra | Khan Academy | 4:29 | 233,507 | |
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2013-08-26 | Adding, subtracting fractions, decimals, percentages | Decimals | Pre-Algebra | Khan Academy | 4:34 | 147,479 | |
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2013-08-26 | Adding, subtracting fractions | Decimals | Pre-Algebra | Khan Academy | 2:36 | 253,796 | |
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2013-08-23 | Sal Khan talks to Arne Duncan | 36:15 | 0 | |
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2013-08-22 | Where a function is not differentiable | Taking derivatives | Differential Calculus | Khan Academy | 3:35 | 400,778 | |
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2013-08-22 | Graphs of functions and their derivatives example 1 | Differential Calculus | Khan Academy | 5:57 | 142,616 | |
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2013-08-22 | Figuring out which function is the derivative | Differential Calculus | Khan Academy | 4:03 | 103,867 | |
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2013-08-22 | Identifying a function's derivative example | Differential Calculus | Khan Academy | 2:37 | 153,684 | |
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2013-08-22 | Decimals: comparing place values | Decimals | Pre-Algebra | Khan Academy | 5:40 | 385,087 | |
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2013-08-21 | Volume word problem | Measurement | Pre-Algebra | Khan Academy | 4:40 | 362,133 | |
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2013-08-21 | Volume of a rectangular prism or box examples | Measurement | Pre-Algebra | Khan Academy | 1:59 | 965,416 | |
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2013-08-21 | Volume: measuring as area times length | Measurement | Pre-Algebra | Khan Academy | 7:22 | 447,311 | |
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2013-08-21 | Volume: how to measure it | Measurement | Pre-Algebra | Khan Academy | 7:50 | 649,664 | Guide |
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2013-08-21 | Volume: measuring with unit cubes | Measurement | Pre-Algebra | Khan Academy | 2:13 | 805,322 | |
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2013-08-21 | Seeing multiplication as scaling with fractions | Fractions | Pre-Algebra | Khan Academy | 5:06 | 403,323 | |
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2013-08-21 | Linear equation word problem | Linear equations | Algebra I | Khan Academy | 5:59 | 870,135 | Tutorial |
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2013-08-20 | Constructing equations from proportions to solve problems | Algebra Basics | Khan Academy | 4:58 | 84,587 | |
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2013-08-20 | Multiplying and dividing in scientific notation (example) | Pre-Algebra | Khan Academy | 2:53 | 471,629 | |
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2013-08-20 | Simplifying a complicated expression into scientific notation | Pre-Algebra | Khan Academy | 5:52 | 97,992 | |
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2013-08-20 | Red blood cells in human body (scientific notation word problem) | Pre-Algebra | Khan Academy | 4:46 | 144,865 | |
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2013-08-19 | Regrouping whole numbers | Arithmetic properties | Pre-Algebra | Khan Academy | 4:23 | 224,172 | |
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2013-08-19 | Regrouping whole numbers example 2 | Arithmetic properties | Pre-Algebra | Khan Academy | 1:19 | 101,134 | |
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