Texas Instruments
Texas Instruments: Numb3 Rs: Galton Board
Based off of the hit television show NUMB3RS, this lesson has students find the probability of chips falling into each bin of a Galton Board (also known as a quincunx or Plinko board), and then graphing these data to form a normal curve....
Math Is Fun
Math Is Fun: Pascal's Triangle
A detailed explanation of Pascal's trianlge, with lots of examples and patterns described.
Math Is Fun
Math Is Fun: Quincunx
The Quincunx is a fascinating probability machine that demonstrates how distribution works. This page has an interactive Quincunx where you can adjust how many rows there are for the balls to bounce down when dropped. A link takes you to...
Math Is Fun
Math Is Fun: Quincunx
Teacher-created activity that allows students to experiment with a quincunx.