Tessellations
Definition:  
A pattern made of identical shapes: 
• the shapes must fit together without any gaps 
• the shapes should not overlap 
Look right to see an example of a tessellation. 
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Vocabulary 
Vertice = Vertices are the points or corners of a shape. 
Polygon = A plane shape (two-dimensional) with straight sides. Examples: triangles, rectangles and pentagons. 
Angle =   The amount of turn between two straight lines that have a common end point  
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Regular polygon 
When a shape has all equal sides. 
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Irregular polygon 
When a shape doesn’t have equal sides. 
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Salzman, L., (1990).  Cool Tessellations.  Creative activities that make math and science fun for kids!  P6-7)  
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Reference lists: 
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Vocabulary references 
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Picture  
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