How to draw the structure of a molecule using VSEPR rules.
The history of atomic models.
Understanding the bronsted-lowery model of acids and bases.
How to relate area of rectangles to multiplying polynomials.
How to use differential equations to represent exponential growth or exponential decay.
How to determine the number of handshakes possible in a group of a certain number of people.
How to compute the average rate of change of a population over an interval of time.