6 years & up. Rainbow Fraction® tiles make understanding fractions easier. With these color-coded tiles, students can manipulate parts of a whole to see how they relate to each other. Students will begin to make mathematical connections when they see that red always equals 1, yellow equals ? and so on. Included: 51 Rainbow Fraction® Tiles that depict wholes, halves, thirds, fourths, fifths, sixths, eighths, tenths, and twelfths, Plastic tray and 2 sheets of stickers, and a Teacher's guide.