Snowflake math naturally includes geometry, symmetry, patterns, angles, basic shapes, and fractals.
Scientific America: Why are snowflakes symmetrical? – This is where science and math come together! Read about the science behind the symmetry of snowflakes.
Symmetry of Snowflakes offers another explanation of how a snowflake is formed.
Bridges in Mathematics: Snowflake Symmetry – This site offers a video link that helps make learning about symmetry more interesting with Lego bricks, and information about different types of symmetry: rotational symmetry and reflection symmetry. Plus it offers a few links for learning more about symmetry online and how to make snowflakes from paper.
Here is another fractal that is not the Koch Snowflake.
Paper Snowflakes – This site is filled with a wide variety of paper snowflake activities for the beginner and for anyone looking to challenge their paper snowflake making skills. Classic snowflakes, animal snowflakes, 3-D snowflakes and much more can be found on this site.
Snowflake Science – How snowflakes form, why they form the way they do, and science experiment suggestions.
Snowflake Language, Social Studies, History and Geography Skills – Snowflake stories, word puzzles, interesting phenomenon, symbolic meaning of and other activities.
Snowflake Resources and Activities – All the links to the resources can be found here, plus snowflake snack ideas, printables, and videos.