Khan Academy
7,713 videos, +5,400,000 subscribers

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name
timeviews
Quadratic inequality word problem | Functions and their graphs | Algebra II | Khan Academy10:000
Making more pizzas to spread cost per pizza | Functions and their graphs | Algebra II | Khan Academy9:000
Dividing polynomials with remainders example | Algebra II | Khan Academy2:410
Polynomial remainder theorem to determine coefficient example3:140
Factoring 5th degree polynomial to find real zeros | Algebra II | Khan Academy8:200
Identifying graph based on roots | Polynomial and rational functions | Algebra II | Khan Academy5:270
Intersecting functions example7:300
Determining the equation of a trig function | Graphs of trig functions | Trigonometry | Khan Academy5:220
Plotting maxima, minima and midline intersections of trig function | Trigonometry | Khan Academy8:560
Ratio between concentric arcs | Trigonometry | Khan Academy3:150
Midline, amplitude and period of a function | Graphs of trig functions | Trigonometry | Khan Academy4:580
Finding arc length from radian angle measure | Trigonometry | Khan Academy2:390
Triangle similarity in pool | Similarity | Geometry | Khan Academy6:490
Golden ratio and Rembrandt's self portrait | Similarity | Geometry | Khan Academy8:230
Golden ratio to find radius of moon | Similarity | Geometry | Khan Academy6:230
Ratios of distances between colinear points | Analytic geometry | Geometry | Khan Academy5:380
Finding a point part way between two points | Analytic geometry | Geometry | Khan Academy4:400
Identifying similar triangles in the coordinate plane | Analytic geometry | Geometry | Khan Academy10:210
Classifying a quadrilateral on the coordinate plane | Analytic geometry | Geometry | Khan Academy5:900
Recognizing points on a circle | Analytic geometry | Geometry | Khan Academy10:210
Similarity to define sine, cosine, and tangent | Basic trigonometry | Trigonometry | Khan Academy8:560
Showing relationship between cosine and sine of complements | Trigonometry | Khan Academy4:150
Sine and cosine of complements example | Basic trigonometry | Trigonometry | Khan Academy4:500
Angle to aim to get alien | Basic trigonometry | Trigonometry | Khan Academy4:350
How much of a pyramid is submerged | Basic trigonometry | Trigonometry | Khan Academy5:440
Example with trig functions and ratios | Basic trigonometry | Trigonometry | Khan Academy5:700
Example relating trig function to side ratios | Basic trigonometry | Trigonometry | Khan Academy9:240
Pythagorean theorem and radii of circles | Circles | Geometry | Khan Academy5:530
Equation for a circle using the Pythagorean Theorem | Circles | Geometry | Khan Academy6:190
Hypotenuse of right triangle inscribed in circle | Circles | Geometry | Khan Academy2:330
Example with tangent and radius | Circles | Geometry | Khan Academy2:340
Measure of circumscribed angle | Circles | Geometry | Khan Academy3:470
Help support Khan Academy0:510
Solving a consecutive integer problem algebraically | Linear equations | Algebra I | Khan Academy5:190
Power series radius and interval of convergence6:490
Representing function over interval of convergence5:320
Function as geometric series4:370
y-intercept of tangent line example | Derivative applications | Differential Calculus | Khan Academy5:590
Equation of normal line | Derivative applications | Differential Calculus | Khan Academy5:270
Equation of tangent line example 1 | Derivative applications | Differential Calculus | Khan Academy7:170
Expressing function defined as infinite series2:270
Power series function representation using algebra8:300
Leveraging properties of series to find sum6:540
Alternate formula for sum of n squares4:510
Finding the sum of n squares part 25:120
Finding the sum of n squares part 16:160
Partial fraction decomposition to find sum of telescoping series12:310
Explicitly defining a series4:250
Writing a series in sigma notation3:160
Identifying sequence convergence and divergence3:530
Sn1 and Sn2 solvents effects7:510
Stereochemistry of Sn2 reactions5:330
Sn1 reactions intro21:390
Steric hindrance in Sn2 reactions7:140
Sn2 reactions intro8:170
Rent control and deadweight loss11:120
Multiplying: 4 digits times 1 digit (using grid) | 4th grade | Khan Academy3:340
Multiplying: 2 digits numbers (using distributive property) | 4th grade | Khan Academy6:580
Formula for continuously compounding interest8:590
e as a limit5:390
e and compound interest11:380
Optimal turns at Indianapolis Motor Speedway with JR Hildebrand6:250
Categorizing geometric shapes: practice examples | 4th grade | Khan Academy2:150
Categorizing triangles | Geometry | 4th grade | Khan Academy2:230
Triangles: categorization by angle or equal sides | 4th grade | Khan Academy6:000
Solving for an angle | Geometry | 4th grade | Khan Academy1:430
Identify the angle example | Geometry | 4th grade | Khan Academy2:300
Drawing acute, right and obtuse angles | 4th grade | Khan Academy2:400
Recognizing angles | Geometry | 4th grade | Khan Academy2:150
Constructing angles | Geometry | 4th grade | Khan Academy2:410
Naming angles exercise example | Geometry | 4th grade | Khan Academy1:110
How to read a line plot that uses fractions | 4th grade | Khan Academy3:330
Currency conversion word problem | 4th grade | Khan Academy0:540
Word problem: making change | 4th grade | Khan Academy3:140
Time word problem: When to leave to get home on time | Khan Academy4:900
How to convert feet to inches | 4th grade | Khan Academy0:510
Finding reasonable unit of measurement example | 4th grade | Khan Academy3:470
U.S. customary units: weight | 4th grade | Khan Academy3:400
U.S. customary units: distance | 4th grade | Khan Academy5:110
Metric system: units of distance | 4th grade | Khan Academy6:560
Whole number and fraction multiplication concept | 4th grade | Khan Academy2:440
Conceptual understanding of multiplying fractions and whole numbers | Khan Academy4:600
More on equivalent fractions | Fractions | 4th grade | Khan Academy4:540
Intro to equivalent fractions | Fractions | 4th grade | Khan Academy4:180
Dividing numbers: long division example | 4th grade | Khan Academy3:430
Dividing numbers: intro to long division | 4th grade | Khan Academy3:150
Comparing with multiplication: money and distance | 4th grade | Khan Academy6:350
Comparing with multiplication: ages and heights | 4th grade | Khan Academy4:570
Multiplying: 2 digit numbers | Multiplication and division | 4th grade | Khan Academy4:700
Quadrilaterals: classifying shapes | Geometry | 5th grade | Khan Academy2:280
Coordinate plane: graphing points word problem | Geometry | 5th grade | Khan Academy2:600
Using fractions as division to create mixed numbers | Fractions | 5th grade | Khan Academy5:100
Understanding fractions as division | Fractions | 5th grade | Khan Academy6:440
Multiplying two fractions: number line approach | Fractions | 5th grade | Khan Academy4:460
Multiplying fractions: visualizing | Fractions | 5th grade | Khan Academy4:570
Multiplying fractions and whole numbers: two approaches | Fractions | 5th grade | Khan Academy2:540
Quadrilateral on the coordinate plane | Geometry | 6th grade | Khan Academy1:320
Parallelogram on the coordinate plane | Geometry | 6th grade | Khan Academy5:170
Volume of a rectangular prism: word problem | Geometry | 6th grade | Khan Academy6:220
Finding area by breaking up the shape | Geometry | 6th grade | Khan Academy5:150

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