Wings Of Ring

Fit these clear plastic rings around Fraction Circles to explore degrees, 

time, percent, and more. These clear plastic rings fit around Fraction Circles to show the 

relationships among fractions, decimals, and percents ¼ = 0.25 = 25%; to demonstrate the 

equivalence of minutes and fractional parts of an hour 15 minutes = ¼ hour; and to express 

fractional parts of a circle in degrees ¼ of a circle =90°. Each of the five rings in the set is divided 

into equal intervals, contains a well-marked scale including a "0" to indicate a starting. Set of 6 pcs.