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© 2008 National Council of Teachers of Mathematics http://illuminations.nctm.org
Sorting Cards Carefully cut out each of the cards. You will need these words and phrases for the sorting activity.
Opposite Sides
Parallel
Opposite Sides
Congruent
At Least One Obtuse Angle
At Least One Right Angle
All Sides
Congruent
All Angles
Congruent
Two Consecutive
Sides Congruent
Parallelogram Regular Polygon
© 2008 National Council of Teachers of Mathematics http://illuminations.nctm.org
Opposite Angles
Congruent Pentagon Hexagon
Octagon Rhombus Isosceles
Trapezoid Quadrilateral Convex Polygon
© 2008 National Council of Teachers of Mathematics http://illuminations.nctm.org
Concave Polygon