What is reflection?

How do you do a reflection?

Geogebra - Reflection

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1. Tick the box "Reflected". Describe what happens.
2. Click on the mirror line and drag it to another position. Then reflect again. Describe what happens.

My Geogebra for an Art Deco Shape

There is a scroll bar at the bottom of this page if you need it.

Multiple Reflections of the Art Deco Object in the mirror lines (x and y axes)


  • reflection
  • object e.g. ABC
  • image e.g. A'B'C'
  • mirror line
  • y-axis
  • x-axis
  • invariant
  • orientation
  • axis of symmetry
  • vertical reflection
  • horizontal reflection

Use the online maths dictionary and write definitions of the words above when doing a reflection.
Link to Online Maths Dictionary http://www.amathsdictionaryforkids.com/dictionary.html

Note: It is important when describing a reflection to refer to the location of the mirror line (which must also be shown).

Watch the Youtube below then do the following exercise.


  1. Look at the photos of art deco objects below.

  2. Find the mirror line in the following.

  3. Is it a horizontal or vertical reflection or both?

  4. Describe the reflection using the correct language.

1. art deco 1.jpg

2. art deco 5.jpg

3. art deco 16.jpg

4. art deco 19.jpg

5.art deco 27.jpg

6. art deco 28.jpg

7. art deco 29.jpg

8. art deco 33.jpg

9. art deco 35.jpg

10. art deco 40.jpg

11. art deco 46.jpg

12. art deco 50.jpg

13. art deco 53.jpg

14. art deco 56.jpg

15. stained glass window 8.png