AC9M4SP03Year 4SpacePractised on site

AC9M4SP03 — Year 4 Space

Official Curriculum Content Description:

recognise line and rotational symmetry of shapes and create symmetrical patterns and pictures, using dynamic geometric software where appropriate

Worked Examples (1)

Example 1Line Symmetry in Everyday Shapes & Designs
A floor tile is shaped like a regular polygon with 33 equal sides (33-gon). How many lines of symmetry does it have?
Common mistake: Confusing line symmetry with rotational order or half-count.
Correct Answer:33
Worked Solution:
A regular polygon with nn equal sides always has exactly nn lines of symmetry. For a regular 33-gon, there are 33 lines of symmetry.

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