Relational Attribute Blocks (#19522)
Relational attribute blocks have proportionally sized shapes. The small shape is 1/4 the size of the corresponding large shape, thus enabling the teaching of fractions. Set of 60 solid plastic pieces in an assortment of 2 sizes , 2 thicknesses, 3 colors and 5 shapes. Including a sorting and storage tray. Large square measures 7.5cm sides, all small shapes are 1/4 of relative large shapes.