2017-10-19 | Estimating adding and subtracting 3 digit numbers | 3:29 | 80,492 | |
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2017-10-19 | Associative property of multiplication | 3:35 | 204,164 | |
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2017-10-17 | Khan Academy view of mastery learning | 8:42 | 32,750 | |
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2017-10-17 | Subtracting multi digit numbers with regrouping | 3:21 | 121,831 | |
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2017-10-17 | Adding multi digit numbers with regrouping | 2:18 | 90,221 | |
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2017-10-17 | Adding multi digit numbers with place value | 6:22 | 103,710 | |
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2017-10-17 | Understanding place value when subtracting | 6:38 | 81,617 | |
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2017-10-17 | Estimating subtracting decimals | 3:28 | 33,927 | |
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2017-10-17 | Estimating adding decimals | 3:30 | 86,891 | |
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2017-10-17 | Estimating decimal multiplication | 3:59 | 52,294 | |
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2017-10-17 | Approximating dividing by decimals | 2:55 | 34,422 | |
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2017-10-14 | Estimate multiplying multi digit numbers | 2:38 | 52,092 | |
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2017-10-13 | Approximating multi digit division | 2:35 | 32,889 | |
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2017-10-13 | Rounding decimals on the number line | 4:22 | 54,861 | |
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2017-10-13 | Multiplying using area models and the standard algorithm | 6:57 | 127,805 | |
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2017-10-13 | Evaluating exponent expressions with variables | 3:01 | 84,160 | |
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2017-10-13 | Comparing exponent expressions | 2:09 | 70,546 | |
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2017-10-13 | Exponents of decimals | 2:31 | 95,457 | |
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2017-10-13 | Identifying transformation described with other algebra and geometry concepts | 6:25 | 14,536 | |
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2017-10-13 | Shape properties after a sequence of transformations | 4:39 | 17,076 | |
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2017-10-13 | Dilations and properties | 7:46 | 12,396 | |
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2017-10-13 | Example identifying the center of dilation | 2:43 | 135,002 | |
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2017-10-13 | Dilation scale factor examples | 4:59 | 213,768 | |
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2017-10-13 | Dilating points example | 3:07 | 79,170 | |
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2017-10-13 | Mapping shapes example | 2:56 | 23,677 | |
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2017-10-13 | Properties perserved after rigid transformations | 7:00 | 22,047 | |
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2017-10-12 | Finding measures using rigid transformations | 4:56 | 30,959 | |
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2017-10-12 | Example reflecting quadrilateral over x axis | 2:38 | 62,478 | |
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2017-10-12 | Line of reflection example | 1:40 | 112,305 | |
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2017-10-12 | Reflecting points across horizontal and vertical lines | 3:45 | 66,022 | |
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2017-10-12 | Determining angle of rotation | 2:57 | 141,029 | |
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2017-10-12 | Positive and negative rotaion of points example | 1:50 | 76,936 | |
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2017-10-11 | Message to LearnStormers from Paralympic ski racer Josh Sundquist | 1:49 | 5,347 | |
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2017-10-11 | Example translating points | 3:51 | 134,602 | |
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2017-10-10 | Examples recognizing transformations | 3:47 | 57,959 | |
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2017-10-10 | Transformations - dilation | 1:31 | 63,601 | |
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2017-10-10 | TI-84 geometpdf and geometcdf functions | Random variables | AP Statistics | Khan Academy | 5:48 | 15,259 | |
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2017-10-09 | When there aren't gains from trade | Basic economics concepts | AP Macroeconomics | Khan Academy | 6:50 | 22,420 | |
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2017-10-09 | Comparative advantage worked example | Basic economics concepts | AP Macroeconomics | Khan Academy | 9:48 | 38,275 | |
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2017-10-09 | Binompdf and binomcdf functions | Random variables | AP Statistics | Khan Academy | 5:27 | 55,001 | |
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2017-10-06 | Equilibrium, allocative efficiency and total surplus | 11:29 | 25,042 | |
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2017-10-06 | Visualizing marginal utility MU and total utility TU functions | 8:10 | 32,396 | |
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2017-10-05 | Identifying tax incidence in a graph | APⓇ Microeconomics | Khan Academy | 5:47 | 49,429 | |
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2017-10-05 | How price controls reallocate surplus | APⓇ Microeconomics | Khan Academy | 8:43 | 18,952 | |
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2017-10-05 | Proof of expected value of geometric random variable | AP Statistics | Khan Academy | 7:19 | 60,709 | |
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2017-10-04 | Cumulative geometric probability (less than a value) | AP Statistics | Khan Academy | 4:06 | 14,114 | |
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2017-10-04 | Cumulative geometric probability (greater than a value) | AP Statistics | Khan Academy | 5:03 | 17,327 | |
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2017-10-04 | Probability for a geometric random variable | Random variables | AP Statistics | Khan Academy | 2:51 | 19,758 | |
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2017-10-04 | Geometric random variables introduction | Random variables | AP Statistics | Khan Academy | 6:15 | 52,695 | |
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2017-10-04 | Finding the mean and standard deviation of a binomial random variable | AP Statistics | Khan Academy | 5:02 | 57,718 | |
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2017-10-04 | Expected value of a binomial variable | Random variables | AP Statistics | Khan Academy | 6:33 | 32,352 | |
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2017-10-04 | Variance of a binomial variable | Random variables | AP Statistics | Khan Academy | 6:51 | 37,935 | |
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2017-10-03 | Binomial variables | Random variables | AP Statistics | Khan Academy | 7:31 | 71,186 | |
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2017-10-03 | Recognizing binomial variables | Random variables | AP Statistics | Khan Academy | 6:42 | 27,226 | |
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2017-10-03 | Capital vs. consumer goods and economic growth | Microeconomics | Khan Academy | 10:04 | 27,474 | |
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2017-10-03 | Comparative advantage - input approach | Basic economic concepts | Microeconomics | Khan Academy | 5:36 | 11,099 | |
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2017-10-03 | Comparative advantage - output approach | Basic economic concepts | Microeconomics | Khan Academy | 6:06 | 3,567 | |
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2017-10-03 | Intuition for why independence matters for variance of sum | AP Statistics | Khan Academy | 4:23 | 19,297 | |
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2017-10-03 | Variance of sum and difference of random variables | Random variables | AP Statistics | Khan Academy | 8:07 | 48,605 | |
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2017-10-02 | Polar curve area with calculator | 7:11 | 11,298 | |
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2017-09-28 | Justification using second derivative: inflection point | AP Calculus AB | Khan Academy | 3:47 | 12,556 | |
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2017-09-28 | Analyzing related rates problems: equations (trig) | AP Calculus AB | Khan Academy | 8:01 | 24,345 | |
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2017-09-28 | Worked example: area between curves | AP Calculus AB | Khan Academy | 5:25 | 51,989 | |
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2017-09-28 | Worked example: differentiating polar functions | AP Calculus BC | Khan Academy | 5:57 | 10,726 | |
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2017-09-27 | Worked example: Logistic model word problem | Differential equations | AP Calculus BC | Khan Academy | 8:47 | 61,481 | Vlog |
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2017-09-27 | Worked example: over- and under-estimation of Riemann sums | AP Calculus AB | Khan Academy | 4:42 | 26,165 | |
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2017-09-27 | Over- and under-estimation of Riemann sums | AP Calculus AB | Khan Academy | 4:01 | 65,607 | |
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2017-09-27 | Limits from graphs | Limits and continuity | AP Calculus AB | Khan Academy | 6:01 | 122,520 | |
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2017-09-23 | Worked example: problem involving definite integral (algebraic) | AP Calculus AB | Khan Academy | 7:50 | 28,451 | |
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2017-09-22 | Area between curves | Applications of definite integrals | AP Calculus AB | Khan Academy | 6:50 | 225,522 | |
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2017-09-13 | Example: Describing a distribution | AP Statistics | Khan Academy | 5:40 | 35,497 | |
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2017-09-13 | Example: Comparing distributions | AP Statistics | Khan Academy | 7:18 | 56,804 | |
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2017-09-11 | Planar motion (with integrals) | Applications of definite integrals | AP Calculus BC | Khan Academy | 7:08 | 4,609 | |
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2017-09-11 | Approximating limits using tables | Limits and continuity | AP Calculus AB | Khan Academy | 4:27 | 160,232 | |
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2017-09-11 | Analyzing motion problems: position | AP Calculus AB | Khan Academy | 2:56 | 10,422 | |
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2017-09-11 | Analyzing motion problems: total distance traveled | AP Calculus AB | Khan Academy | 2:53 | 8,875 | |
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2017-09-11 | Motion problems with integrals: displacement vs. distance | AP Calculus AB | Khan Academy | 8:04 | 60,592 | |
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2017-09-11 | Analyzing problems involving definite integrals | AP Calculus AB | Khan Academy | 5:52 | 11,992 | |
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2017-09-08 | Worked examples: interpreting definite integrals in context | AP Calculus AB | Khan Academy | 4:20 | 10,358 | |
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2017-09-08 | Interpreting definite integral as net change | AP Calculus AB | Khan Academy | 5:16 | 22,801 | |
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2017-09-08 | Interpreting behavior of _ from graph of _'=ÃÂ | AP Calculus AB | Khan Academy | 8:22 | 12,476 | |
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2017-09-08 | _-substitution: definite integrals | AP Calculus AB | Khan Academy | 5:53 | 64,293 | |
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2017-09-08 | _-substitution: defining _ | AP Calculus AB | Khan Academy | 3:35 | 52,280 | |
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2017-09-08 | _-substitution: defining _ (more examples) | AP Calculus AB | Khan Academy | 4:34 | 41,944 | |
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2017-09-08 | Worked example: finding a Riemann sum using a table | AP Calculus AB | Khan Academy | 6:39 | 60,202 | |
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2017-09-07 | Analyzing related rates problems: expressions | AP Calculus AB | Khan Academy | 8:07 | 22,977 | |
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2017-09-07 | Mistakes when finding inflection points: not checking candidates | AP Calculus AB | Khan Academy | 4:02 | 6,866 | |
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2017-09-07 | Mistakes when finding inflection points: second derivative undefined | AP Calculus AB | Khan Academy | 6:11 | 22,010 | |
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2017-09-07 | Justification using second derivative: maximum point | AP Calculus AB | Khan Academy | 4:14 | 10,357 | |
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2017-09-07 | Calculus based justification for function increasing | AP Calculus AB | Khan Academy | 3:12 | 10,283 | |
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2017-09-07 | Conditions for MVT: table | Existence theorems | AP Calculus AB | Khan Academy | 4:41 | 18,080 | |
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2017-09-07 | Conditions for MVT: graph | Existence theorems | AP Calculus AB | Khan Academy | 5:38 | 32,077 | |
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2017-09-07 | Introduction to integral calculus | Accumulation and Riemann sums | AP Calculus AB | Khan Academy | 4:52 | 521,872 | |
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2017-09-06 | Connecting f, f', and f'' graphically | AP Calculus AB | Khan Academy | 5:36 | 199,944 | |
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2017-09-06 | Connecting f, f', and f'' graphically (another example) | AP Calculus AB | Khan Academy | 4:21 | 22,468 | |
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2017-09-06 | Derivatives of inverse functions | Advanced derivatives | AP Calculus AB | Khan Academy | 4:46 | 175,357 | |
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2017-09-05 | Derivative of ln(x) | Advanced derivatives | AP Calculus AB | Khan Academy | 2:03 | 39,829 | |
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2017-08-26 | The West Indies and the Southern colonies | AP US History | Khan Academy | 11:57 | 74,142 | |
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2017-08-26 | Politics and indigenous relations in the New England colonies | AP US History | Khan Academy | 11:45 | 66,387 | |
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2017-08-26 | Society and religion in the New England colonies | AP US History | Khan Academy | 11:07 | 140,715 | |
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