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Sort colored shapes into a three circle Venn Diagram.
This worksheet is for use with the lesson Estimating With Fire (http://www.shodor.org/interactivate/lessons/EstimatingWithFire/).
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 Patterns in Fractals lesson plan (http://www.shodor.org/interactivate/lessons/PatternsInFractals/).
Sets (Beginner) (Discussion)
Introduces elementary students to sets and elements using shapes.
Estimator (Activity)
Practice estimation skills by determining the number of objects, the length of a line, or the area of a shape. Parameters: error tolerance of estimate. Estimator is one of the Interactivate assessment explorers.
This worksheet is for use with the Estimator Four activity (http://www.shodor.org/interactivate/activities/EstimatorFour/).
Introduction to various estimation methods through the simulation of a forest fire.
A capstone lesson to allow students to build a working definition of fractal.
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.
a resource from CSERD, a pathway portal of NSDL NSDL CSERD