Khan Academy
7 713 vidéos, +5 400 000 abonnés

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duréevues
Motivations for English colonization9:246 059
England in the Age of Exploration5:285 582
Khan Academy’s 100&Change proposal: World-class diplomas for anyone, anywhere1:30216 428
Sal discusses the Breakthrough Junior Challenge4:1038 779
The Seven Years' War part 211:307 001
The Seven Years' War part 112:2811 757
Phototropism6:558 020
Jacksonian Democracy part 412:325 081
Jacksonian Democracy part 36:213 644
Jacksonian Democracy part 26:213 805
Jacksonian Democracy part 15:506 263
The Second Great Awakening - part 38:415 126
The Second Great Awakening - part 212:573 454
The Second Great Awakening - part 111:187 211
The Market Revolution - part 311:564 534
The Market Revolution - part 210:253 754
The Market Revolution - part 111:307 346
Biogeochemical cycles | Ecology | Khan Academy7:554 836
The water cycle | Ecology | Khan Academy8:1413 108
Impedance of simple networks11:434 051
KVL in the frequency domain12:513 078
Flow of energy and matter through ecosystem10:265 011
Ecosystems and biomes7:333 266
Khan Academy Welcomes Duck Duck Moose1:558 778
ELI the ICE man10:303 086
Parallel structure | Syntax | Khan Academy5:503 670
Exclamations | Syntax | Khan Academy2:504 747
Dependent and independent clauses | Syntax | Khan Academy7:405 632
Dangling modifiers | Syntax | Khan Academy4:193 192
Compound-complex sentences | Syntax | Khan Academy4:145 924
Complex sentences | Syntax | Khan Academy5:706 949
Run-ons and comma splices | Syntax | Khan Academy4:385 181
Relative clauses | Syntax | Khan Academy4:441 497
Recognizing fragments | Syntax | Khan Academy3:481 951
Pronoun-antecedent agreement | Syntax | Khan Academy4:701 789
Phrases and clauses | Syntax | Khan Academy5:572 480
Three types of sentence | Syntax | Khan Academy3:321 369
Subjects and predicates | Syntax | Khan Academy2:34703
Subject, direct object, and indirect object | Syntax | Khan Academy4:44677
Subject-verb agreement | Syntax | Khan Academy4:53995
Simple and compound sentences | Syntax | Khan Academy4:291 099
What is a sentence? | Syntax | Khan Academy4:342 023
The Monroe Doctrine14:333 590
Ordering fractions | Math | 4th grade | Khan Academy5:593 317
Complex rotation6:202 025
Diode graphical solution8:702 434
Ecological succession | Ecology | Khan Academy4:402 235
Rounding whole numbers: missing digit | Math | 4th grade | Khan Academy5:532 612
Adding whole numbers by their place values | Math | 4th grade | Khan Academy6:203 312
Regrouping whole number place values | Math | 4th grade | Khan Academy6:123 057
Canceling zeros when dividing | Math | 4th grade | Khan Academy7:393 466
Quotients that are multiples of 10 | Math | 4th grade | Khan Academy6:132 859
Comparing multi-digit numbers | Math | 4th grade | Khan Academy5:581 609
Multiplying 10s | Math | 4th grade | Khan Academy5:803 584
Multiplying 1-digit numbers by multiples of 10, 100, and 1000 | Math | 4th grade | Khan Academy8:404 130
Multiplying 1-digit numbers by 10, 100, and 1000 | Math | 4th grade | Khan Academy6:174 242
Place value when multiplying and dividing by 10 | Math | 4th grade | Khan Academy5:153 098
Dividing whole numbers by 10 | Math | 4th grade | Khan Academy7:901 910
Multiplying whole numbers by 10 | Math | 4th grade | Khan Academy7:102 377
Place value blocks | Math | 4th grade | Khan Academy5:403 421
Identifying symmetrical figures | Math | 4th grade | Khan Academy5:331 001
Classifying shapes by lines and angles | Math | 4th grade | Khan Academy3:37876
Angles in circles word problem | Math | 4th grade | Khan Academy3:191 094
Measuring angles with a circular protractor | Math | 4th grade | Khan Academy1:491 092
Decomposing angles | Math | 4th grade | Khan Academy3:50707
The Atlantic slave trade7:301 581
The encomienda system7:301 133
Christopher Columbus part 212:291 337
Common denominators: 3/5 and 7/2 | Math | 4th grade | Khan Academy4:151 890
Common denominators: 1/2 and 1/3 | Math | 4th grade | Khan Academy8:192 868
Christopher Columbus part 19:601 632
Peopling the Americas9:172 833
Common denominators: 1/4 and 5/6 | Math | 4th grade | Khan Academy8:192 217
Eulers sine wave3:231 749
Impedance vs frequency8:561 966
Euler's cosine wave3:401 922
Sine and cosine from rotating vector3:571 820
Sine of time10:381 832
Interactions between populations | Ecology | Khan Academy8:121 800
Predator prey cycle | Ecology | Khan Academy5:902 915
Population regulation | Ecology | Khan Academy10:332 159
Official SAT Practice on Khan Academy1:414 908
Exponential and logistic growth in populations | Ecology | Khan Academy7:332 351
Apoptosis | Cell division | Biology | Khan Academy10:482 155
Organism life history and fecundity | Ecology | Khan Academy11:471 768
Ecology introduction | Ecology | Khan Academy9:493 062
Phylogenetic trees | Evolution | Khan Academy10:572 153
RC natural response example (3 of 3)2:531 767
Impedance11:413 767
Definite integrals of product of sines8:152 736
Finding Fourier coefficients for square wave10:402 904
Fourier series coefficients for cosine terms6:801 794
Integral of product of cosines7:151 353
Definite integrals of sin(mx) and cos(mx)6:252 022
Definite integral of sine and cosine product4:271 489
Formula for first term in Fourier Series6:491 896
Fourier coefficients for sine terms6:331 375
Visualizing Fourier expansion of square wave3:301 735
Eulers formula8:423 919
Fourier Series introduction5:136 137

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