Lines of Symmetry

Examples, solutions and videos to help Grade 4 students learn how to recognize lines of symmetry for given two-dimensional figures; identify line-symmetric figures and draw lines of symmetry.

Common Core Standards: 4.MD.7

New York State Common Core Math Grade 4, Module 4, Lesson 12

The following diagram shows a worksheet to learn how to draw lines of symmetry for given figures. Scroll down the page for more examples of lines of symmetry.

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Lesson 12 Concept Development

• Problem 1: Recognize folded symmetry.
• Problem 2: Identify lines of symmetry in familiar figures.
• Problem 3: Draw lines of symmetry.

Problem Set

1. Circle the figures that have a correct line of symmetry drawn.
2. Find and draw all lines of symmetry for the following figures. Write the number of lines of symmetry that you found in the blank underneath the shape.
3. Half of each figure below has been drawn. Use the line of symmetry, represented by the dashed line, to complete each figure.
4. The figure below is a circle. How many lines of symmetry does the figure have? Explain.
   

NYS Math Module 4 Grade 4 Lesson 12 Homework

1. Circle the figures that have a correct line of symmetry drawn.
2. Find and draw all lines of symmetry for the following figures. Write the number of lines of symmetry that you found in the blank underneath the shape.
3. Half of each figure below has been drawn. Use the line of symmetry, represented by the dashed line, to complete each figure.
4. Is there another shape that has the same number of lines of symmetry as a circle? Explain.

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