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Estimator Quiz (Activity)
Test your estimation skills by answering questions. This quiz asks you to estimate the answer to addition, multiplication, and percentage questions. Choose difficulty level, question types, and time. Estimator Quiz is one of the Interactivate assessment quizzes.
Spy Game (Lesson)
Students will learn about modular arithmetic in order to decipher encrypted messages.
This worksheet is for use with Venn Diagram Shape Sorter (http://www.shodor.org/interactivate/activities/ShapeSorter/).
This worksheet is for use with the lesson Algorithm Discovery with Venn Diagrams (http://www.shodor.org/interactivate/lessons/AlgorithmDiscovery/).
This worksheet is for use with the Caesar Cipher activity (http://www.shodor.org/interactivate/activities/CaesarCipher/).
This worksheet is for use with the Estimator activity (http://www.shodor.org/interactivate/activities/Estimator/).
Caesar Cipher (Activity)
Create your own affine cipher for encoding and decoding messages. Input your own constant and multiplier, then input a message to encode.
Percents (Discussion)
Covers the basics of converting fractions into percents.
Two Variable Functions (Discussion)
Introduces 2 variable functions as ordered pairs and how to operate perform operations on ordered pairs.
Demonstrates how fractions are added and subtracted.
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