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Regular Shapes and Symmetry is a free printable Grade 4 math worksheet on the link between sides and lines of symmetry, aligned to Common Core standard 4.G.A.3. It prints 6 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 6 of 25 · the same problems every time you open this link.

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One paper per student

Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Regular Shapes and Symmetry

4.G.A.3

NameDate

How many lines of symmetry does each shape have?

1.
How many lines of symmetry?
2.
How many lines of symmetry?
3.
How many lines of symmetry?
4.
How many lines of symmetry?
5.
How many lines of symmetry?
6.
How many lines of symmetry?

LessonPrint · 4.G.A.3 · Set 6 · free to copy for classroom use

Answer key — Regular Shapes and Symmetry

Set 6. Prints on its own sheet.

  1. 1.8
  2. 2.4
  3. 3.8
  4. 4.6
  5. 5.8
  6. 6.4

Last reviewed 2026-09-05. Aligned to 4.G.A.3 of the Common Core State Standards for Mathematics.