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Lines of Symmetry in Shapes is a free printable Grade 4 maths worksheet on counting 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, 22 of them with different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 4 of 25 · the same problems every time you open this link.

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One paper per pupil

Set 1 has all 25 in a single PDF. 22 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two pupils have the same paper in front of them.

Lines of Symmetry in Shapes

4.G.A.3

NameDate

Answer each question.

1.How many lines of symmetry does a rhombus have?
2.How many lines of symmetry does a isosceles triangle have?
3.How many lines of symmetry does a equilateral triangle have?
4.How many lines of symmetry does a regular pentagon have?
5.How many lines of symmetry does a square have?
6.How many lines of symmetry does a regular octagon have?

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

Answer key — Lines of Symmetry in Shapes

Set 4. Prints on its own sheet.

  1. 1.2
  2. 2.1
  3. 3.3
  4. 4.5
  5. 5.4
  6. 6.8

More practice for 4.G.A.3

Find lines of symmetry.

Teaching this next? Lines of Symmetry is the 50-minute plan for it, with the misconceptions to expect.

All Grade 4 worksheets

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