b'Mathematics Yellow Triangles For AreaStand For HeightThis material is used as an introduction to the study of area.A stand for plane geometric form exploration that Through exercises with these triangles, the child discoversfacilitates in the measurement of height of the how the area of a triangle is derived. The material containsConstructive Triangles. Scale is in centimeters.20 yellow, square ruled figures for the exercises of areaItem Number: 012600stored in a beechwood box with lid. $71.95Item Number: 012700$209.95 Large Fraction SkittlesInstrument For The The Large Fraction Skittles representMeasurement Of Angles The Centisimal Framedivisors of whole, 1/2, 1/3, and 1/4 andThis material is used with theThis material is used with the are used with the Fraction Circles toFraction Circles to demonstrate howFraction Circles to demonstrate work equations in division. angles are measured in degrees. Thehow fractions may be reduced to Item Number: 011300 Instrument For The Measurementdecimal fractions. The Centisimal $239.95 Of Angles is a thick metal plateFrame is a thick metal plate with calibrated in 360 degrees with aa recessed circle for positioning recessed circle for positioning athe fraction piece to be convertedSkittle Stand fraction piece to be measured. to a decimal, and is calibrated A hardwood stand for storing andItem Number: 012400 from 0 to 100.carrying the Large Fraction Skittles. $39.95 Item Number: 012500Item Number: 0113A0 $41.95$38.95Fraction Circles Fraction Circles Stands: (2)Fraction Circles introduce the child to the concept of fractions.2 stands designed to each hold five Fraction Circles The child is introduced to all aspects of fraction work, i.e.,for storing and carrying.correct terminology, equivalency, arithmetic functions,Item Number: 0114A0conversion to decimals, measurement of angles, etc. $76.95Item Number: 011400$374.95Nienhuis Montessori 87'