Khan Academy: Sequences and Series: Sum of Arithmetic Sequence

A video which gives the step-by-step solution to a difficult series sum problem from the Joint Entrance Exam for the Indian Institutes of Technology. It is problem 54 from Paper 1 of the 2010 exam. Students learn how to find the sum of a...

This video shows how to derive a general formula for an arithmetic series.

This video demonstrates how to identify a pattern in a sequence, write an equation that represents the pattern, and then use this equation to determine the 100th term in the sequence.

An introductory video on sequences and series. Provides examples of both arithmetic and geometric series.

A demonstration on how to identify arithmetic series.

Want to know the math involved in a mortgage loan? This video lecture covers how to figure out the formula for fixed mortgage payments using the sum of a geometric series. [17:35]

Video introduces geometric sequences explaining what they are and giving examples.

An introduction to Geometric Sequences is given in this video.

Finding patterns—seems easy enough. High schoolers learn the definition of a sequence in a concept video. Four problem videos then cover finding a particular term of a sequence given an explicit formula and identifying arithmetic...

Video explains the different measures of center: arithmetic mean, median, and mode. Gives examples of finding each measure of central tendency and discusses the effect of outliers on each. Includes a link to additional practice problems....