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Students practice arithmetic skills. Can be tailored for practice of all types of single operation arithmetic ranging from simple addition to operations with integers and decimals.

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

This worksheet is for use with the Another Hilbert Curve Generator Activity (http://www.shodor.org/interactivate/activities/AnotherHilbertCurve/).

This worksheet is for use with the Sierpinski's Triangle activity (http://www.shodor.org/interactivate/activities/SierpinskiTriangle/).

Step through the generation of Sierpinski's Triangle -- a fractal made from subdividing a triangle into four smaller triangles and cutting the middle one out. Explore number patterns in sequences and geometric properties of fractals.