Product Number: TB17501
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Features the 6 basic pattern shapes (square, equilateral triangle, rhombus, rectangle, isosceles triangle, right triangle) plus 9 more related shapes. All are identified by letter and color. Great for beginning or advanced study of similarity and congruence, angle relationships, and algebraic equivalence. Shapes can be used on overhead projectors. Includes 450 shapes. Grade 1 and up.