Sample heart drawn on a coordinate grid for use with the Ordered Simple Plot Activity (http://www.shodor.org/interactivate/activities/OrderedSimplePlot/).
This worksheet is for use with the Generalized Monty Hall activity (http://www.shodor.org/interactivate/activities/GeneralizedMontyHall/), the Simple Monty Hall activity (http://www.shodor.org/interactivate/activities/SimpleMontyHall/), and the Advanced Monty Hall activity (http://www.shodor.org/interactivate/activities/AdvancedMontyHall/).
Introduces students to modular (clock) arithmetic and how modular arithmetic can be used to encode messages using simple shift, multiple and affine ciphers.