Nienhuis Heutink International (English)

Mathematics

Instrument For The Measurement Of Angles This material is used with the Fraction Circles to demonstrate how angles are measured in degrees. The Instrument For The Measurement Of Angles is a thick metal plate calibrated in 360 degrees with a recessed circle for positioning a fraction piece to be measured. Item Number: 012400

The Centisimal Frame This material is used with the Fraction Circles to

demonstrate how fractions may be reduced to decimal fractions. The Centisimal Frame is a thick metal plate with a recessed circle for positioning the fraction piece to be converted to a decimal, and is calibrated from 0 to 100. Item Number: 012500

Fraction Circles Fraction Circles introduce the child to the concept of fractions. The child is introduced to all aspects of fraction work, i.e., correct terminology, equivalency, arithmetic functions, conversion to decimals, measurement of angles, etc. Item Number: 011400

Fraction Circles Stands: (2) 2 stands designed to each hold five Fraction Circles for storing and carrying. Item Number: 0114A0

Nienhuis Montessori

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