Illustrative Mathematics
Illustrative Mathematics: Picturing Factors in Different Orders
The purpose of this task is to help young scholars picture the multiplicative structure of the number 30 in different ways. Some of this structure is easier to communicate using grouping symbols, as it is easier to interpret...
Texas Instruments
Texas Instruments: Numb3 Rs: Creating Codes
Based off of the hit show NUMB3RS, this lesson focuses on getting students to create ciphering codes. These codes are made in two different ways in this lesson: once with addition and once with multiplication. Students in this lesson are...
Texas Instruments
Texas Instruments: Numb3 Rs: How Hard Can It Be?
Based off of the hit television show NUMB3RS, this lesson introduces students to one way of defining the strength of an encryption (called "Entropy"). In the lesson, students learn how to calculate the entropy of a given code, and then...