Using the TI-83 to Encode a Message
Students examine cryptography and Caesar ciphers. They discover that modular arithmetic and translations can be used in cryptography. Students use the TI-83 calculator to encode text messages into numbers and create a shift cipher.
7th - 12th Math 3 Views 0 Downloads
New Review Odd or Even? The Addition and Complement Principles of Probability
Odd or even—fifty-fifty chance? �Pupils first conduct an experiment rolling a pair of dice to generate data in a probability lesson. It goes on to introduce mutually exclusive and non-mutually exclusive events, and how to use the...
9th - 12th Math CCSS: Designed
Modeling a Context from Data (part 2)
Forgive me, I regress. Building upon previous modeling activities, the class examines models using the regression function on a graphing calculator. They use the modeling process to interpret the context and to make predictions based...
9th - 10th Math CCSS: Designed
Solving Systems of Linear Equations
Solving systems of equations underpins much of advanced algebra, especially linear algebra. Developing an intuition for the kinds and descriptions of solutions is key for success in those later courses. This intuition is exactly what...
8th - 9th Math CCSS: Adaptable
What Members Say
- Danny K.
- Tucson, AZ