内含正方体、长方体球体等几何形体，学习了解体积
的分解。配有四分之圆、八分之一圆、四分之一正
方体、八分之一正方体等，了解体积不同的分解方式。
This 3-dimensional set not only reinforces the concept of the relation of fractions but adds the elements of decimals and percentages.Each "complete"shape has a modular dimension of 8 cms.,the same as the Invicta Large Shapes(Ref No 091859).The individual segments are clearly marked with the appropriate fraction,decimal and percentage value and special containers are provided to hold the spheres.Complete with product guide.
