standard_description: Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.
problem_activity: Sort these shapes (cut out from
Polygons Template
) into groups. You may sort them any way you want and into as many groups as you want. Be prepared to explain how you sorted the shapes.
Sort them another way.


aligns: no