Demonstrate fractions, percentages and equivalencies on your whiteboard. Double-Sided Magnetic Fraction Circles Demonstrate fractions, percentages, and equivalencies on your whiteboard. Labeled with fractions on one side and percentages on the reverse. Color-coded to match other Rainbow Fraction® manipulatives for extended learning. Includes 9 circles (1 whole, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10, 1/12) and Activity Guide. Circles measure 7½” in diameter.