Using Transformations to Create Fantastic Tessellations!

advertisement
Using Transformations to Create
Fantastic Tessellations!
Dr. Maria Mitchell
1
What is a Tessellation?
2
What is a Tessellation?
• The graphic artist M.C. Escher (1898 – 1972)
was intrigued with the idea of creating a single
shape that could be copied and then used to
cover a surface without any gaps or overlaps.
• These coverings or tilings of the plane are
called TESSELLATIONS.
3
M.C. Escher
4
M.C. Escher Creations
• http://www.mcescher.com/
• http://www.teachers.ash.org.au/geparker/exa
mples_of_tessellations.htm
5
Explore Shapes that Tile the Plane
6
Interactive Pattern Blocks
• http://www.arcytech.org/java/patterns/patterns_j.shtml
7
Moves Used to Make the Tilings
8
Transformations
Translation
9
Nibbling
10
Simple Translation Tessellation
Polygon should have opposite sides that are parallel and congruent.
squares
hexagons
parallelograms
11
Transformations
Reflection
12
Glide Reflection Tessellation
Polygon should have opposite sides that are parallel and congruent.
squares
hexagons
parallelograms
13
Transformations
Rotation
14
Rotational Tessellation
Adjacent sides must be congruent.
squares
triangles
hexagons
parallelograms
15
Now You Can Make Your Electronic
Tessellation Using Pattern Blocks
• http://www.arcytech.org/java/patterns/patterns_j.shtml
16
Now You Can Make Your Electronic
Tessellation Using Microsoft Paint
http://www.teachers.ash.org.au/geparker/creating_a_basic_tessellation_using_microso
ft_paintbrush.htm
17
Download