Free Printable WorksheetMathGrade 5Math CurriculumCCSS 4.G.A.3

5.146 Identify Lines of Symmetry in Two Dimensional Figures Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 5 Math worksheet provides structured practice on 5.146 Identify Lines of Symmetry in Two Dimensional Figures. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Skill description: Select the correct line(s) of symmetry for a given figure. Choose the plotted point, coordinate pair, or transformation result that matches the given description. Corresponding standards: CCSS 4.G.A.3.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 5

Subject

Math

Domain

Math Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 5.146 Identify Lines of Symmetry in Two Dimensional Figures skill assessments:

Problem 1Difficulty: Mastery
A regular hexagon is shown. Which statement gives all of its lines of symmetry?
A2 lines: one vertical and one horizontal
B3 lines: through opposite vertices only
C6 lines: 3 through opposite vertices and 3 through midpoints of opposite sides
D12 lines: one through each vertex and each side
Solution & Explanation:A regular hexagon has 6 lines of symmetry, including vertex-to-vertex lines and side-midpoint-to-side-midpoint lines.
Problem 2Difficulty: Mastery
A figure has exactly one vertical line of symmetry. What happens to a point that lies on that line?
AIt matches itself when the figure is reflected
BIt disappears from the reflected figure
CIt must move to the opposite side
DIt proves there are two more symmetry lines
Solution & Explanation:A point on a line of symmetry is already on the mirror line, so reflection leaves it in the same place.
Problem 3Difficulty: Mastery
Point A(3, -4) matches point B(3, 8), and point C(-2, -1) matches point D(-2, 5). Which horizontal line is the line of symmetry?
Ay = 2
By = 0
Cy = 4
Dy = −2
Solution & Explanation:Each matching pair has midpoint y-coordinate 2: the average of -4 and 8 is 2, and the average of -1 and 5 is 2.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 5 Math students. It aligns with educational standard CCSS 4.G.A.3 (Primary standard selected for prompt fields in this prompt cell: CCSS 4.G.A.3. Skill statement in this prompt cell: Select the correct line(s) of symmetry for a given figure. Choose the plotted point, coordinate pair, or transformation result that matches the given description. Associated standards listed with this skill in this prompt cell: CCSS 4.G.A.3. Use this prompt-provided wording as the supporting standard description for this workflow.).

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