2020-03-15 | How Khan Academy is Here to Help During COVID-19 | 4:09 | 71,884 | |
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2020-03-15 | Estimating actual COVID 19 cases (novel corona virus infections) in an area based on deaths | 12:44 | 2,051,965 | |
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2020-03-13 | Policy and the branches of government | AP US Government and Politics | Khan Academy | 5:32 | 9,565 | |
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2020-03-13 | A live message from Sal on school closures | 39:42 | 20,353 | |
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2020-03-12 | Ideology and policymaking | AP US Government and Politics | Khan Academy | 3:14 | 9,843 | |
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2020-03-11 | Metallic solids | Intermolecular forces and properties | AP Chemistry | Khan Academy | 5:21 | 6,789 | |
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2020-03-09 | Ionic solids | Intermolecular forces and properties | AP Chemistry | Khan Academy | 7:35 | 12,452 | |
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2020-03-07 | Information for congruency | 2:16 | 5,203 | Guide |
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2020-03-06 | Non-congruent shapes & transformations | 2:03 | 6,950 | |
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2020-03-06 | Congruent shapes and transformations | 1:43 | 7,954 | |
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2020-03-06 | Dilating triangles: find the error | Performing transformations | Geometry | Khan Academy | 2:41 | 2,722 | |
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2020-03-06 | Proving the ASA and AAS triangle congruence criteria using transformations | Geometry | Khan Academy | 7:24 | 7,262 | |
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2020-03-06 | Proving the SAS triangle congruence criterion using transformations | Geometry | Khan Academy | 4:31 | 17,280 | |
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2020-03-05 | Proving the SSS triangle congruence criterion using transformations | Geometry | Khan Academy | 5:46 | 16,473 | |
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2020-03-04 | Geometric constructions: perpendicular line through a point off the line | Geometry | Khan Academy | 2:42 | 11,761 | |
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2020-03-04 | Geometric constructions: congruent angles | Congruence | High school geometry | Khan Academy | 4:09 | 37,742 | |
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2020-03-04 | Geometric constructions: parallel line | Congruence | High school geometry | Khan Academy | 2:03 | 24,175 | |
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2020-03-04 | Angle congruence equivalent to having same measure | Congruence | Geometry | Khan Academy | 5:23 | 1,871 | |
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2020-03-02 | Introduction to Khan Academy Kids | 0:29 | 1,078,719 | |
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2020-03-02 | Khan Academy Kids: Celebrating First Words Through First Grade | 0:58 | 803,150 | |
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2020-02-29 | Introduction to meditation to reduce test prep anxiety | 1:01 | 18,323 | |
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2020-02-29 | Introduction to meditation for students | 1:01 | 45,834 | |
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2020-02-29 | Guided visualization to calm your mind | 7:34 | 88,875 | |
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2020-02-29 | Guided meditation to help with test anxiety | 9:46 | 136,107 | Guide |
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2020-02-29 | Guided meditation to help you stop procrastinating | 7:05 | 95,365 | Let's Play |
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2020-02-29 | Guided meditation for students | 11:46 | 280,386 | Guide |
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2020-02-26 | Influence of political events on ideology | AP US Government & Politics | Khan Academy | 4:17 | 12,313 | Vlog |
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2020-02-13 | Segment congruence equivalent to having same length | Congruence | Geometry | Khan Academy | 6:45 | 9,456 | |
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2020-02-11 | Area model for multiplying polynomials with negative terms | 5:17 | 16,622 | |
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2020-02-10 | Hydrogen bonding | Intermolecular forces and properties | AP Chemistry | Khan Academy | 6:39 | 70,281 | |
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2020-02-08 | Intermolecular forces and vapor pressure | AP Chemistry | Khan Academy | 6:04 | 24,195 | |
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2020-02-06 | Ion–dipole forces | Intermolecular forces and properties | AP Chemistry | Khan Academy | 4:40 | 69,116 | |
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2020-02-04 | Dipole–dipole forces | Intermolecular forces and properties | AP Chemistry | Khan Academy | 6:45 | 43,328 | |
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2020-02-03 | Guided meditation for procrastination | 7:00 | 39,411 | |
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2020-02-03 | Guided meditation visualizing thoughts as the surface of an ocean | 7:29 | 11,428 | Guide |
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2020-01-30 | Guided meditation for high school students | 12:51 | 81,380 | |
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2020-01-22 | The development of an American culture | AP US History | Khan Academy | 9:58 | 26,781 | |
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2020-01-21 | Showing segment congruence equivalent to having same length | 4:56 | 3,336 | Show |
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2020-01-17 | Idea behind hypothesis testing | 9:58 | 66,433 | |
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2020-01-13 | Conclusion for a two sample t test using a P value | 2:48 | 12,907 | |
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2020-01-08 | Dilating shapes: shrinking | Performing transformations | High school geometry | Khan Academy | 2:26 | 15,307 | |
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2020-01-07 | Health insurance primer | 8:26 | 14,695 | |
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2020-01-07 | Mapping shapes | Performing transformations | High school geometry | Khan Academy | 8:50 | 7,146 | |
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2020-01-06 | The Court in Action | AP US Government and Politics | Khan Academy | 6:12 | 9,664 | |
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2019-12-23 | Help Jason Give Back to Khan Academy | 1:43 | 21,457 | Let's Play |
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2019-12-17 | Formal charge | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 7:03 | 33,499 | |
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2019-12-16 | Millions Learn for Free, Made Possible by People Like You | 1:00 | 11,426 | |
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2019-12-14 | Resonance | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 7:24 | 17,868 | |
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2019-12-14 | Exceptions to the octet rule | AP Chemistry | Khan Academy | 7:10 | 28,299 | |
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2019-12-14 | Worked example: Lewis diagram of xenon difluoride (XeF₂) | AP Chemistry | Khan Academy | 3:11 | 6,353 | |
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2019-12-13 | Worked example: Lewis diagram of the cyanide ion (CN⁻) | AP Chemistry | Khan Academy | 4:28 | 13,452 | |
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2019-12-12 | Drawing Lewis diagrams | AP Chemistry | Khan Academy | 7:08 | 41,164 | |
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2019-12-12 | Worked example: Lewis diagram of formaldehyde (CH₂O) | AP Chemistry | Khan Academy | 6:07 | 10,825 | |
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2019-12-10 | Give a gift that will change a life. | 0:21 | 33,191 | |
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2019-12-07 | Causation from 1980-2020 | 9:43 | 20,408 | |
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2019-12-05 | Worked example: Using formal charges to evaluate nonequivalent resonance structures | Khan Academy | 8:02 | 9,607 | |
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2019-12-04 | Representing alloys using particulate models | AP Chemistry | Khan Academy | 6:30 | 7,209 | |
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2019-12-03 | Representing ionic solids using particulate models | AP Chemistry | Khan Academy | 5:43 | 10,366 | |
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2019-12-03 | All in for Education Livestream with Sal Khan | 39:58 | 19,844 | |
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2019-12-03 | Lattice energy | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 8:10 | 65,643 | |
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2019-12-02 | All in for Education with Khan Academy. Give today! | 1:01 | 127,879 | |
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2019-12-02 | Worked example: Interpreting potential energy curves of diatomic molecules | Khan Academy | 5:21 | 81,896 | |
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2019-11-27 | You Can Learn Anything (30 sec) | 0:31 | 10,784,374 | |
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2019-11-26 | Bond length and bond energy | AP Chemistry | Khan Academy | 6:42 | 49,800 | |
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2019-11-25 | Predicting bond type (electronegativity) | AP Chemistry | Khan Academy | 4:43 | 15,949 | |
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2019-11-25 | Predicting bond type (metals vs. nonmetals) | AP Chemistry | Khan Academy | 5:12 | 20,360 | |
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2019-11-23 | Electron configurations of ions | Atomic structure and properties | AP Chemistry | Khan Academy | 3:56 | 72,285 | |
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2019-11-12 | Khan Stories: Jason Spyres | 4:07 | 68,356 | |
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2019-11-01 | What to do the night before an exam: 3 tips from Sal Khan | 1:25 | 50,251 | |
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2019-10-30 | Ionic bonds | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 4:10 | 81,948 | |
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2019-10-30 | Covalent bonds | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 5:43 | 75,104 | |
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2019-10-30 | Metallic bonds | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy | 3:00 | 26,531 | |
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2019-10-29 | Isotopes | Atomic structure and properties | AP Chemistry | Khan Academy | 5:28 | 25,408 | |
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2019-10-29 | Mass spectrometry | Atomic structure and properties | AP Chemistry | Khan Academy | 4:18 | 311,352 | |
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2019-10-25 | Making line plots with fractional data | 3:15 | 7,924 | |
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2019-10-25 | Interpreting line plots | 2:45 | 11,168 | |
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2019-10-25 | Line plots with fractions | 3:36 | 36,169 | |
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2019-10-25 | Dividing fractions and whole number word problems | 4:26 | 23,756 | |
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2019-10-25 | Measure lengths to nearest 1/4 | 2:13 | 94,380 | |
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2019-10-25 | Multiplication and division relationship for fractions | 3:35 | 12,651 | |
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2019-10-25 | Fraction division in context | 3:22 | 3,831 | |
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2019-10-25 | Worked example: Identifying an element from its mass spectrum | AP Chemistry | Khan Academy | 3:21 | 15,862 | |
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2019-10-25 | Worked example: Calculating mass percent | AP Chemistry | Khan Academy | 5:38 | 17,949 | |
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2019-10-21 | Worked example: Calculating molar mass and number of moles | AP Chemistry | Khan Academy | 5:49 | 86,078 | |
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2019-10-16 | How to reduce test prep anxiety: 3 tips from Sal Khan | 4:42 | 84,979 | Tutorial |
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2019-10-10 | Course Mastery Sal (intro only) | 2:06 | 33,600 | |
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2019-10-09 | Mastery Learning in Mr. Vandenberg’s Class | 4:49 | 15,718 | |
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2019-10-01 | Continuity and change in American society, 1754-1800 | AP US History | Khan Academy | 9:11 | 23,266 | |
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2019-09-30 | The mole and Avogadro's number | Atomic structure and properties | AP Chemistry | Khan Academy | 8:57 | 66,406 | |
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2019-09-27 | Average atomic mass | Atomic structure and properties | AP Chemistry | Khan Academy | 8:38 | 34,796 | |
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2019-09-24 | Subtracting fractions with unlike denominators introduction | 3:36 | 27,976 | |
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2019-09-23 | Worked example: Determining an empirical formula from percent composition data | Khan Academy | 4:35 | 8,593 | |
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2019-09-23 | Adding fractions with unlike denominators introduction | 4:02 | 35,915 | |
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2019-09-17 | Fraction multiplication as scaling examples | 3:38 | 9,826 | |
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2019-09-17 | Estimating adding fractions with unlike denominators | 4:57 | 11,359 | |
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2019-09-13 | Periodic trends and Coulomb's law | Atomic structure and properties | AP Chemistry | Khan Academy | 10:43 | 45,952 | |
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2019-09-13 | Valence electrons and ionic compounds | AP Chemistry | Khan Academy | 7:55 | 20,951 | |
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2019-09-10 | Worked example: Identifying an element from successive ionization energies | Khan Academy | 2:31 | 88,457 | |
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2019-09-10 | Groups of the periodic table | Periodic table | Chemistry | Khan Academy | 7:41 | 133,623 | |
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2019-09-10 | Introduction to photoelectron spectroscopy | AP Chemistry | Khan Academy | 8:24 | 66,789 | |
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