Khan Academy
Khan Academy: Trigonometry: Ferris Wheel Trig Problem
Video showing the beginning of a solution to a word problem about people on a ferris wheel and their height above the ground. Includes converting revolutions per minute to degrees per second. [7:21]
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Khan Academy: Calculus: Definite Integrals (Part 5)
Video lesson finishing an example of finding the area between two curves and solving another example. [9:57]
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Khan Academy: Graphing a Quadratic Function
Demonstrates how to graph a quadratic function by creating a table of values. This video also appears in the Algebra: Functions strand. [6:03]
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Khan Academy: Algebra: Linear Equations: Age Word Problems 3
This video begins by finishing the final problem in the "Age Word Problems 2" video. Then it continues to demonstrate how to solve word problems related to a person's age by setting up and solving equations based on the information given...
Khan Academy
Khan Academy: Calculus: Even More Chain Rule
Video lesson demonstrating the derivative of composite functions using the formal definition of the chain rule. Includes a link to additional practice at the top of the video. [9:50]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Addition 3
This video shows several examples of addition with up to four-digit numbers. Practice problems are available. [8:57]
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Khan Academy: Differential Calculus: Epsilon Delta Limit Definition 1
Video lesson expanding the simple definition of a limit into the epsilon-delta definition of a limit by looking at a specific graph of a function. [12:48]
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Khan Academy: Calculus: Solid of Revolution (Part 6)
Video lesson showing how to use the disk method to find the volume of a solid rotating about the y-axis as an alternative to using the shell method. [9:19]
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Khan Academy: Algebra: Simplifying Radical Expressions 2
Video simplifying the square root of an algebraic expression by identifying perfect squares. [2:49]
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Khan Academy: Statistics: Binomial Distribution 2
Video continuing an example of a binomial distribution for the amount of heads in five flips of a coin by drawing the graph and including discussion on how the distribution relates to a normal bell curve. Also includes explanation of why...
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Khan Academy: Arithmetic and Pre Algebra: Why Borrowing Works
This video shows subtraction of numbers up to four digits, and a recap of borrowing and regrouping. Practice problems are available. [8:34]
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Khan Academy: Algebra: Logarithmic Equations
Demonstrates how to convert a logarithmic equation to an exponential equation. [1:27]
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Khan Academy: Calculus: Curl 3
Video lesson calculating curl for a specific two-dimensional vector field and then analyzing the graph of the vector field. Also explains what a curl of zero would mean and calculates the divergence of a vector field with a curl of zero....
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Khan Academy: Algebra: System of Inequalities Application
This video demonstrates how to solve a word problem by setting and solving a system of linear inequalities. [8:09]
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Khan Academy: Calculus: Polynomial Approximation of Functions (Part 4)
Video lesson using a Maclaurin series to approximate a cosine function by using a polynomial function. Generalizes the expansion of cosine using sigma notation. [9:59]
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Khan Academy: Differential Calculus: Limit Examples (Part 1)
A video that provides step-by-step instructions on how to find the limit of a function both graphically and numerically. Addresses the case where the function is undefined at a point. [8:58]
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Khan Academy: Calculus: Polynomial Approximation of Functions (Part 6)
Video lesson relating the polynomial approximations for the sine, cosine and e^x functions from Maclaurin series. [9:59]
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Khan Academy: Algebra: Algebra: Equation of a Line
This video demonstrates how to take two given points of a line and write an equation for that line. The video graphs the points first, then it reviews the equation of a line in slope-intercept form. Next the video shows how to calculate...
Khan Academy
Khan Academy: Algebra: Completing the Square
Demonstrates how to solve two different quadratic equations by completing the square. Practice problems available. [13:45]
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Khan Academy: Statistics: Binomial Distribution 4
Video demonstration continuing an example of a binomial distribution for the amount of free throw shots made out of six shots. Excel is used to calculate probabilities and graph the distribution. Video is also listed in the probability...
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Khan Academy: Algebra: Systems and Rate Problems 2
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [10:04]
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Khan Academy: Differential Calculus: Taking Derivatives: Product Rule
Video lesson introducing the product rule and its formal definition. Examples of solving for the derivative of functions using the product rule and chain rule are shown. [8:49]
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Khan Academy: Algebra: Equations and Inequalities
Video demonstrating how to write and solve equations and inequalities from real-world situations. Also included are examples of testing solutions to inequalities. This video is also found in the strand Algebra: ck12.org. [16:11]
Khan Academy
Khan Academy: Algebra: Systems and Rate Problems 3
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates. [4:56]