Title: Mathematical Proofs
In this lesson, from Science NetLinks, students explore the nature of logic, evidence, and proofs in the context of mathematics. This lesson would be appropriate after students are familiar with the Pythagorean Theorem.
Standard(s): [MA2015] MI1 (9-12) 12: Summarize the history of probability, including the works of Blaise Pascal; Pierre de Fermat; Abraham de Moivre; and Pierre-Simon, marquis de Laplace. (Alabama)
Title: Caesar Cipher
In this lesson, one of a multi-part unit from Illuminations, students investigate the Caesar substitution cipher. Text is encoded and decoded using inverse operations.
Standard(s): [MA2015] MI1 (9-12) 10: Determine the mathematical impact of the ancient Greeks, including Archimedes, Eratosthenes, Euclid, Hypatia, Pythagoras, and the Pythagorean Society. (Alabama)