Instructional Video5:14
Curated OER

Where Does the Formula for a Term in an Arithmetic Sequence Come From?

10th - 12th
There is a formula to find the nth term in an arithematic sequence. But first, the instructor in the video will go through several steps and lots of explanations about how to get that formula. Watch and listen carefully. And then maybe,...
Instructional Video
Khan Academy

Khan Academy: Pre Calculus: Sequences and Series (Part 1)

9th - 10th Standards
An introductory video on sequences and series. Provides examples of both arithmetic and geometric series, but does not give formal definitions. Introduces and uses sigma notation for sums of series. Illustrates how the general form for a...
Instructional Video
Khan Academy

Khan Academy: Sequences and Series Review: Sequences and Series (Part 1)

9th - 10th Standards
An introductory video on sequences and series. Provides examples of both arithmetic and geometric series.