Khan Academy
Khan Academy: Statistics: Standard Deviation
Video reviews the population and sample mean and variance then expands to population and sample standard deviation. Gives examples of calculating the standard deviation. [13:07]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Distributive Property Example 1
This video provides several examples of using the distributive properties of multiplication and division to rewrite expressions. Practice problems are available. [5:39]
Khan Academy
Khan Academy: Calculus: Polynomial Approximation of Functions (Part 2)
Video lesson finishing the derivation of the formula for the Maclaurin series and then applying it to find the polynomial approximation for e^x. [10:09]
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Khan Academy: Trigonometry: Ferris Wheel Trig Problem (Part 2)
Video continues and completes the solution to a word problem about people on a ferris wheel and their height above the ground. Solution includes graphing a cosine function by completing a table and plotting points. [9:08]
Khan Academy
Khan Academy: Differential Equations: What Is a Diferential Equation
Video gives an introduction to what differential equations are and shows how they are different from regular equations. Shows an example of a differential equation and how to check if a given answer is a correct solution to a...
Khan Academy
Khan Academy: Algebra Ii: Recognizing a Perfect Square Quadratic
Demonstrates how to solve a quadratic equation by factoring where the first step is to set the equation equal to zero. The quadratic polynomial in the example is a perfect square trinomial. [3:19]
Khan Academy
Khan Academy: Algebra: Perpendicular Lines
This video demonstrates how to determine if lines are perpendicular given the equations. There are three equations listed but they are not all in slope-intercept form. Practice problems available. [3:29]
Khan Academy
Khan Academy: Geometry: Congruent and Similar Triangles
Explains how to determine if triangles are congruent or similar. [3:53]
Khan Academy
Khan Academy: Multivariable Calculus: Partial Derivatives
Video lesson introducing partial derivatives by showing a 3-D coordinate system and solving an example. [11:11]
Khan Academy
Khan Academy: Differential Calculus: Equation of a Tangent Line
Video lesson on finding the equation of the tangent line of an exponential function at a certain value. Equation is checked by graphing. [8:07]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Level 2 Exponents
This video explains the meaning of negative exponents. Practice problems are available. [6:26]
Khan Academy
Khan Academy: Algebra: Ca Algebra 1: Systems of Inequalities
This video demonstrates how to solve several test questions related to systems of equations and systems of inequalities. [12:56]
Khan Academy
Khan Academy: Trigonometry: Trigonometry Word Problems (Part 1)
Video containing the beginning of a solution to a navigation problem that uses trigonometry to find the missing length of a triangle. [9:57]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Level 2 Addition
A video explaining addition of a two-digit number and a one-digit number using the addition algorithm, objects and number lines. Practice problems are available. [9:47]
Khan Academy
Khan Academy: Algebra: Graphing a Basic Function
Video showing how to graph a linear function by evaluating the function for different values of x and plotting the resulting points. [5:36]
Khan Academy
Khan Academy: Algebra: Algebra: Graphing Lines 1
This video demonstrates how to make a table of x and y values in order to graph the equation of a line. [9:50]
Khan Academy
Khan Academy: Probability: Probability (Part 1)
Video lesson introducing probability by exploring different understandings of probability and solving for the probability of simple events. Includes link to additional practice problems. [10:30]
Khan Academy
Khan Academy: Geometry: 30 60 90 Triangles Ii
In this video tutorial, the instructor demostrates how to apply the special relationship between the legs and hypotenuse of a 30-60-90 triangle. Solves two different example problems using the relationship. Practice problems available....
Khan Academy
Khan Academy: Algebra: Parallel Lines
This video demonstrates how to determine if lines are parallel given the equations. There are three equations listed and the lines that are parallel will contain the same slope. Practice problems available. [3:48]
Khan Academy
Khan Academy: Algebra: Parallel Lines 2
This video demonstrates how to determine if lines are parallel given the equations. There are three equations listed but they are not all in slope-intercept form. Practice problems available. [3:03]
Khan Academy
Khan Academy: Trigonometry: Trigonometry Word Problems (Part 2)
Video continues and completes the solution to a navigation problem that uses trigonometry to find the missing length of a triangle. [2:51]
Khan Academy
Khan Academy: Algebra: Exponent Properties 5
Video lesson introducing the power of a product rule and using it to simplify an algebraic expression. [2:50]
Khan Academy
Khan Academy: Algebra: Algebraic Long Division
Video demonstrates how to divide a polynomial (4 terms) by a binomial and shows how to check the answer. [10:21]
Khan Academy
Khan Academy: Algebra: Functions (Part Iii)
Video evaluating combinations and compositions of functions by using a function defined by its graph. Includes link to additional practice at the top of the video. [9:14]