Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find the Standard Deviation of a Data Set?

9th - 10th Standards
This tutorial illustrates the entire process of finding the standard deviation of a data set. [6:17]
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
Sophia Learning

Sophia: Combined Variation

9th - 10th
Explore how to solve combined variations which contain both direct and indirect variations. Take quiz to assess understanding.
Instructional Video
Instructional Video
Khan Academy

Khan Academy: Origin of Markov Chains

9th - 10th
This video serves as an introduction to Markov Chains. [7:15]
Instructional Video
Crash Course

Crash Course Biology #18: Population Genetics: When Darwin Met Mendel

9th - 10th
Hank talks about population genetics, which helps to explain the evolution of populations over time by combing the principles of Mendel and Darwin, and by means of the Hardy-Weinberg equation. [11:03]
Instructional Video
Sophia Learning

Sophia: Sentence Variety

9th - 10th Standards
This lesson introduces the element of sentence variety in composition. [4:36]
Instructional Video
Shmoop University

Shmoop: Inverse Variation

6th - 8th
This animation features the mathematical concept of inverse variation and how to perform the calculation. 2:21sec.
Instructional Video
Bozeman Science

Bozeman Science: Variation of Traits

9th - 10th
In this video, Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...