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Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a message to encode.

Discusses methods of converting from the base ten system to another base number system.

This worksheet is for use with the Recursion activity (http://www.shodor.org/interactivate/activities/Recursion/).

This worksheet is for use with the Caesar Cipher III activity (http://www.shodor.org/interactivate/activities/CaesarCipherThree/).

Decimals (Discussion)

Deals with converting fractions into decimals.

This worksheet is for use with the Pattern Generator activity (http://www.shodor.org/interactivate/activities/PatternGenerator/).

This worksheet is for use with the lesson Algorithm Discovery with Venn Diagrams (http://www.shodor.org/interactivate/lessons/AlgorithmDiscovery/).

Gives an introduction to the concept of a logarithms and shows how logs can be used to calculate fractal dimension.

This worksheet is for use with the Koch's Snowflake activity (http://www.shodor.org/interactivate/activities/KochSnowflake/).

This worksheet is for use with the Pattern Generator activity (http://www.shodor.org/interactivate/activities/PatternGenerator/).