This math skill involves identifying whether shapes are symmetric and determining how many lines of symmetry each shape has. A line of symmetry divides a shape so that one side is a mirror image of the other. Shapes can have multiple lines of symmetry, one, or none at all.
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Are these shapes symmetric, and how many lines of symmetry do they have?
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Symmetry means you can draw a line and one side of the line is a mirror image of the other. The butterfly has a left and right side that are identical, so it has one line of symmetry.
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The rabbit has no way to draw a line where one side is the same as the other. So it is not symmetric and has zero lines of symmetry.
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For this shape, there are 4 different ways to draw lines of symmetry that make one side identical to the other.
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Drawing and counting lines of symmetry
Test your understanding of drawing and counting lines of symmetry by practicing it! Work through the below exercises to use it in practice.