Illustrates decimals, percentages, degrees, compass points, fractions, and time. Set of 6. Grade 2 and up.

Set of six rings that includes Decimal Percentage, Decimal/Equivalent, Degree/Compass, Fraction/Equivalent, Percentage/Equivalent, and Time, along with a 51-piece deluxe overhead set of nine circles divided into 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10, 1..