<ul><li>Set of 2 wooden plates as follows: Instrument For The Measurement Of Angles used with the Fraction Circles to demonstrate how angles are measured in degrees.</li><li>The Centisimal Frame used with the Fraction Circles to demonstrate how fractions may be reduced to decimal fractions.</li></ul><br><br>Set of 2 wooden plates as follows: Instrument For The Measurement Of Angles used with the Fraction Circles to demonstrate how angles are measured in degrees. The Centisimal Frame used with the Fraction Circles to demonstrate how fractions may be reduced to decimal fractions.

Elite Montessori Centesimal Circle & Protractor