Explore symmetry by joining two identical shapes
Lesson 3 / 10
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I can compose symmetrical shapes from two identical shapes.
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A shape is symmetrical when one half is a reflection of the other half.
When you fold a shape on a line of symmetry, the two halves will match exactly.
You can join two identical shapes together to create a new shape.
When you join two identical shapes, sometimes the new shape will be symmetrical.
When you join two identical shapes, sometimes the new shape will have no lines of symmetry.
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