Geometric Series
A general formula to find the sum of the first n terms of a geometric series is discovered. The properties of this formula will then be tested in the following questions. 
Compound Interest
The concept of compound interest is explored through a simulation of a high-interest bank account.
Sierpinski Triangle
An introduction to ratio and percentages using the iterative creation of a Sierpinski triangle.
Shopping with Percents
How are percents used in everyday shopping? Do you want to make sure you are saving as much money as possible? The following set of questions will show you how to calculate your savings the next time you go shopping.