Catalog Nienhuis

SHAPES AND ATTRIBUTES

Metal Squares: 9 Plates This material is used for geometry, specifically exercises of equivalent, identical and similar figures. The set consists of 9 green metal frames with bottoms, 1 set of insets divided into squares and rectangles and 1 set of insets divided into triangles (this material is also used for small metal inset work, ‘linear geometric design.’). Item Number: 011500 • Metal Triangles: 4 Plates The Metal Triangles material allows the child to make an analytical study of triangles. The set consists of 4 metal frames with bottoms. The insets are equilateral triangles divided into 1, 1/2, 1/3 and 1/4. Item Number: 011600 • The Nail Board Using the Nail Board, children learn different geometric shapes, angles, fractions and other patterns and how to create them using rubber bands. As they progress through the activity books, they explore more complex, advanced geometric concepts and relationships. Includes: a beechwood box with lid (lid serves as the nail board), rubber bands (red, green, blue and yellow) a mirror, a protractor (transparent plastic), four activity books and instructions. Item Number: 063001

Small Triangle Item Number: 011700 •

Small Trapezoid Item Number: 0117A0 •

Diagonal Quatrefoil Item Number: 0117B0 •

Horizontal Quatrefoil Item Number: 0117C0 •

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