1-8 Math » . 2D & 3D Figures » A.4. Symmetry & Tessellations

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Reflective Symmetry

• Overview
• Identifying lines of symmetry in various shapes
• Determining whether various shapes have lines of symmetry
• Identifying and counting the lines of symmetry in various shapes
• Identifying lines of symmetry in individual letters of the alphabet and recognizing that lines of symmetry divide shapes into 2 equal parts
• Determining the number of squares that need to be shaded in order to reflect an image across a line of symmetry

Rotational Symmetry

• Overview
• Determining whether various shapes have rotational symmetry

Tessellations

• Overview
• Determining whether a shape can be tessellated
• Determining the unit shape from a tessellation