Instructional Video
Khan Academy

Khan Academy: Compound Interest Basics: The Rule of 72 for Compound Interest

9th - 10th
Find out about using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate.
Instructional Video
Khan Academy

Khan Academy: Information Processing Model: Sensory, Working and Long Term Memory

9th - 10th
Describes the stages in the information processing model of memory, and the types of memory. [7:33]
Instructional Video
Khan Academy

Khan Academy: Origins of Algebra

9th - 10th
In this video, you will learn where the word "algebra" comes from and its underlying ideas. An overview and history of algebra is shared with viewers.
Instructional Video
Khan Academy

Khan Academy: E1 and E2 Reactions: E2 Elimination: Stereoselectivity

11th - 12th
A video lecture discussing stereoselectivity in the E2 elimination mechanism. Understand that in this mechanism there is a choice of two products and one is favored in the reaction. [11:50]
Instructional Video
Khan Academy

Khan Academy: Unit Conversion: Converting Units of Length

6th - 8th
This video tutorial provides information on converting units of length within the same measurement system.
Instructional Video
Khan Academy

Khan Academy: Algebra I Worked Examples: Solving for a Variable

9th - 10th
The video resource [6:58] shows worked examples of algebra concepts. Students watch a detailed problem on how to solve for a variable of the perimeter formula.
Instructional Video
Khan Academy

Khan Academy: Solving for a Variable: Example: Solving for a Variable

9th - 10th
In this video students watch a detailed problem on how to solve for a variable of the perimeter formula.
Instructional Video
Khan Academy

Khan Academy: Chemistry: Maxwell's Demon

9th - 10th
A video lecture explaining that the Maxwell's "demon" does not contradict the second law of thermodynamics. Video begins by reviewing the second law of thermodynamics which states that the universe tends to move towards more entropy....
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: More on Linear Independence

9th - 10th
Video expands the examples of linearly independent and linearly dependent vectors shown in the previous video to give a formal definition of linearly dependent vectors. Shows a proof of the definition and then gives an example of using...
Instructional Video
Khan Academy

Khan Academy: Linear Algebra: Null Space 3: Relation to Linear Independence

9th - 10th
Video reviews what the null space of a matrix is and how to calculate it, then relates it to linear independence. Shows that if the vectors are linearly independent then the null space is the zero vector. Also shows that if the null...
Instructional Video
Khan Academy

Khan Academy: Chemistry: More on Internal Energy

9th - 10th
A video lecture that explores internal energy and how to calculate how much heat is transferred to or from the system. Lecture gives examples to help your understanding of the concepts. [13:45]
Instructional Video
Khan Academy

Khan Academy: Polynomial Basics: Subtracting Polynomials With Multiple Variables

9th - 10th Standards
This video demonstrates how to subtract polynomials when there are multiple variables in each polynomial.
Instructional Video
Khan Academy

Khan Academy: Unit Conversion: Speed Translation

9th - 10th
This video tutorial provides insight on translating speed units from feet per minute to inches per second.
Instructional Video
Instructional Video
Khan Academy

Khan Academy: Triangles: Koch Snowflake Fractal

9th - 10th
Explanation of the Koch Snowflake and why it has an infinite perimeter but a finite area.
Instructional Video
Khan Academy

Khan Academy: Orthogonal Projections: Projection Is Closest Vector in Subspace

9th - 10th
A video lesson proving that the projection of a vector is actually the closest vector in the subspace to the original vector.
Instructional Video
Khan Academy

Khan Academy: Vector Triple Product Expansion (Very Optional)

9th - 10th
Video deriving the triple product expansion by expanding the cross product of 3 vectors and then simplifying it to the difference of dot products.
Instructional Video
Khan Academy

Khan Academy: Polynomials: Multiplying Polynomials 3

9th - 10th Standards
This video shows how to use polynomial multiplication to find the volume of a cylinder of given dimensions.
Instructional Video
Khan Academy

Khan Academy: Properties of the Laplace Transform: Inverse Laplace Examples

9th - 10th
This video uses the properties and inverse Laplace transforms to find the Laplace transform of more difficult functions.
Instructional Video
Khan Academy

Khan Academy: Arithmetic Properties: Inverse Property of Addition

9th - 10th Standards
This video demonstrates the simple idea that a number plus its negative is 0.
Instructional Video
Khan Academy

Khan Academy: Algebra: Extraneous Solutions to Rational Equations

9th - 10th Standards
A step-by-step demonstration on how to solve a rational equation and eliminate any extraneous solutions. [3:03]
Instructional Video
Khan Academy

Khan Academy: Rational Functions: Extraneous Solutions to Rational Equations

9th - 10th Standards
A step-by-step demonstration on how to solve a rational equation and eliminate any extraneous solutions.
Instructional Video
Khan Academy

Khan Academy: Transpose of a Matrix: Transposes of Sums and Inverses

9th - 10th
Transposes of sums and inverses are reviewed with this short video.
Instructional Video
Khan Academy

Khan Academy: Rational Functions: Rational Equations

9th - 10th Standards
A step-by-step breakdown to solve a rational equations and find the excluded values.