Symmetry and Tessellations

What is a tessellation?

• An arrangement of like shapes that fit together to completely cover an infinite plane

• An arrangement of like shapes that only partially cover an infinite plane

• a small piece of stone used to make up a mosaic

• a cluster of stars in the sky

Which of these images represents a tessellation?

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What shape makes up the tessellation in the image?

• Triangles

• Squares

• Hexagons

• Pentagons

What is reflectional symmetry?

• When a shape or object is divided into two equal parts.

• When one side of a shape or object is the mirror image of the second side.

• When a shape is special.

• When a shape is 2-d or 3-d.

How many lines of symmetry does the butterfly have?

• 1
• 2
• 3
• 4

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

Which of the following shapes show a line of symmetry?

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Half of the symmetric figure is given. Choose the other half of the shape given at the choices below.

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Half of the symmetric figure is given. Choose the other half of the given shape at the choices below.

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What type of symmetry does this shape have?

• Only Rotational
• Only Line
• Both Rotational and Line
• Neither Rotational nor Line