Instructional Video9:42
Numberphile

Pi

9th - Higher Ed
Behind every number is a good story. Scholars learn how Archimedes tried to estimate the value of pi through inscribed and circumscribed figures. Viewers also see how they can use infinite series to find the value of pi by watching a...
Instructional Video
Khan Academy

Khan Academy: Pre Calculus: Sequences and Series (Part 2)

9th - 10th Standards
This video follows from Khan Academy: Sequences and Series (Part 1) and furthers the idea of the basic geometric series. Explains how to find the sum of both a finite and an infinite geometric series. Uses limits to find the sum of an...
Instructional Video
Khan Academy

Khan Academy: Pre Calculus: Series Sum Example

9th - 10th
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...
Instructional Video
Khan Academy

Khan Academy: Triangles: Area of Koch Snowflake (Part 2) Advanced

10th - 12th
In this video students explore summing an infinite geometric series to finally find the finite area of a Koch Snowflake.
Instructional Video
Khan Academy

Khan Academy: Vi Hart: Doodling in Math: Infinity Elephants

9th - 10th
Video demonstrating some drawing games that illustrate mathematical concepts of series and infinite series such as fractals and the Sierpinski triangle. [4:36]
Instructional Video
Khan Academy

Khan Academy: Doodling in Math: Doodling in Math: Infinity Elephants

9th - 10th
Video demonstrating some drawing games that illustrate mathematical concepts of series and infinite series such as fractals and the Sierpinski triangle.
Instructional Video
Khan Academy

Khan Academy: Vi Hart: 9.999 Reasons That .999 = 1

9th - 10th
Video exploring number theory concepts such as real, hyperreal, and surreal numbers, and infinity. [10:01]