Khan Academy: Using Hour of Code With Your Child

Hour of Code, a Khan Academy online program, encourages students to spend an hour learning to program. Titles include Hour of Drawing with Code, Hour of Webpage, and Hour of Databases are explained. This article explains how teachers can...

Video discussing transformation matrices and how a vector is able to be mapped to the same resulting vector by using a transformation matrix with respect to the standard basis as well as one with respect to a different basis. Reviews how...

Video showing how to add and subtract numbers using significant figures. Contrasts adding and subtracting with significant figures with multiplying and dividing. [8:59]

Demonstrates how to apply the logarithm property regarding the sum of logarithms with the same base to simplify a logarithmic expression. [5:04]

Processing JavaScript in Khan Academy versus outside Khan Academy: differences and suggestions are given for the code editing environment.

Assign highly-relevant skills to students in each score range by using the suggestions listed.

Video continuing to show how to parameterize a torus using two parameters by writing the position vector valued functions. [16:32]

Video showing how to multiply and divide with significant figures. Includes examples of carpeting a floor and laying tile. [9:31]

Video demonstrates how to divided a multivariable trinomial by a multivariable monomial. [3:14]

A discussion of using and selecting different code editors: online editors, desktop editors, and command-line editors.