Interactivate

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Students learn to identify a variety of patterns using sequences and tessellations.
Sierpinski's Carpet (Activity)
Step through the generation of Sierpinski's Carpet -- a fractal made from subdividing a square into nine smaller squares and cutting the middle one out. Explore number patterns in sequences and geometric properties of fractals.
This worksheet is for use with the Estimator activity (http://www.shodor.org/interactivate/activities/Estimator/).
Two Variable Functions (Discussion)
Introduces 2 variable functions as ordered pairs and how to operate perform operations on ordered pairs.
This worksheet is for use with the Comparison Estimator activity (http://www.shodor.org/interactivate/activities/ComparisonEstimator/).
Making Estimates (Discussion)
Introduces students to estimation.
This worksheet is for use with the Estimator Four activity (http://www.shodor.org/interactivate/activities/EstimatorFour/).
This worksheet is for use with the Mandelbrot Set activity (http://www.shodor.org/interactivate/activities/TheMandelbrotSet/).
This worksheet is for use with the Fractal Dimensions activity (http://www.shodor.org/interactivate/activities/FractalDimensions/).
Caesar Cipher III (Activity)
Decode encrypted messages to determine the form for an affine cipher, and practice your reasoning and arithmetic skills. Input your guesses for the multiplier and constant. Caesar Cipher III is one of the Interactivate assessment explorers.
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