Geometry
Symmetry
Name: Date:
Write how many lines of symmetry each shape has.
1 lines
2 lines
3 lines
4 lines
5 lines
6 lines
7 lines
8 lines
Free · Grade 4 · Triangles, quadrilaterals, polygons
Lines of symmetry worksheets
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Ready to printLines of symmetry
The answer key prints on a separate page.
What's on this sheet
Every shape appears upright and turned. A child who has learnt "a square has four" from one picture has learnt something about that picture, not about squares, and turning a square forty-five degrees makes it look like a diamond — which is the classic mistake this standard is about.
Why this sheet works
The parallelogram is the shape worth waiting for. It looks as though it should fold in half, and it does not: neither diagonal nor either midline maps it onto itself. Children reliably answer two, and finding out why the answer is zero is a better lesson than any number of squares.