Interactive
Shodor Education Foundation

Shodor Interactivate: Koch's Snowflake

For Students 9th - 10th
Step through the generation of the Koch Snowflake, a fractal made from deforming the sides of a triangle, and explore number patterns in sequences and geometric properties of fractals.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Seeing Dots

For Teachers 9th - 10th Standards
The purpose of this task is to identify the structure in the two algebraic expressions by interpreting them in terms of a geometric context, a series of squares filled with dot arrangements. Students are asked to notice a pattern and...

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