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### Code Crackers

Begin an exploration of cryptology by first learning about two simple coding methods— the Caesar cipher and the Vigenere cipher.

### Counting the Trains

In this unit, students will investigate a relationship between recursive functions and exponential functions.

### Determining Functions Using Regression

### Fibonacci Nim

Represent numbers in other bases and convert to and from decimal representations, and then, learn how to play Static Nim.

### Investigating Pick's Theorem

### Law of Sines and Law of Cosines

Learn the Law of Sines and the Law of Cosines and determine when each can be used to find a side length or angle of a triangle.

### Learn about Properties of Vectors and Vector Sums Using Dynamic Software

### Least Squares Regression

### Movement with Functions

Use movement to reinforce the concepts of linear functions and systems of equations.