Visually reinforce fraction understanding and build confidence when working with fractions and mixed numbers. Thick foam makes it easy to remove these colorful magnetic pieces from white boards. Thin layer of magnetic material adheres to whiteboards with metal backing. Giant Fraction Tiles are perfect for classroom demonstration. Color-coded to match other Learning Advantage fraction materials. The piece representing one whole measures 8" x 1". Each set includes 51 proportionally-sized, color-coded, foam pieces representing a whole, halves, thirds, fourths, fifths, sixths, eighths, tenths, and twelfths. Sold as 3 sets for a total of 153 pieces. Recommended age 8+ years