Chapter 11.2

Tessellations using translations and reflections


What You'll Learn

Identify reflection, translation, and rotation transformations in tessellation patterns
Determine which transformations create specific tessellations without gaps
Recognize how reflection flips tiles across axes to form repeating patterns
Apply translation by sliding tiles to adjacent positions in tessellations
Count reflection symmetries in regular polygons like hexagons

What You'll Practice

1

Identifying transformations used in given tessellation diagrams

2

Determining whether reflection, translation, or rotation works for specific patterns

3

Counting lines of symmetry in regular polygons

4

Analyzing which transformations create gap-free tessellations

Why This Matters

Tessellations appear everywhere in art, architecture, and naturefrom tile floors to honeycomb patterns. Understanding how transformations create these repeating designs builds your spatial reasoning skills and connects geometry to real-world design and engineering applications.

This Unit Includes

4 Video lessons
Practice exercises

Skills

Tessellations
Transformations
Reflection
Translation
Rotation
Symmetry
Geometry
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