Interactivate

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Students investigate linear functions by trying to guess the slope and intercept from inputs and outputs. Linear Function Machine is one of the Interactivate assessment explorers.
Reading Graphs (Lesson)
Demonstrates the connections between formulas, graphs and words.
A supporting worksheet for Interactivate
This worksheet is for use with the Translations, Reflections, and Rotations lesson plan (http://www.shodor.org/interactivate/lessons/TranslationsReflectionsRotations/).
This worksheet is for use with the activity Equation Solver (http://www.shodor.org/interactivate/activities/EquationSolver/).
Investigate the Cartesian coordinate system through identifying the coordinates of a randomly generated point, or requesting that a particular point be plotted. General Coordinates Game is one of the Interactivate assessment explorers.
Slope and Y-intercept (Discussion)
Discusses slope and y-intercept and how they affect a graph.
This worksheet is for use with the Possible or Not activity (http://www.shodor.org/interactivate/activities/PossibleOrNot/).
Caesar Cipher II (Activity)
Encode and decode messages to determine the form for an affine cipher. Input a message to encode, then input your guesses for the constant and multiplier. Caesar Cipher II is one of the Interactivate assessment explorers.
This worksheet is for use with the Caesar Cipher II activity (http://www.shodor.org/interactivate/activities/CaesarCipherTwo/).
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