Logical Blocks

The Logical Blocks are an easy handling material created by William Hull in the mid-20th century, but it was Zoltan Dienes who used it in Canada and Australia to work logical processes in the learning of mathematics.

It is formed by 48 pieces: 12 triangles, 12 squares, 12 12 circles and rectangles. The figures may have two different sizes (large or small). In addition, these subgroups are divided according to their thickness, may be thick and thin pieces. Finally, in each subgroup will meet the painted parts of the three primary colours (yellow, blue and red). So, in the logical blocks, each piece is defined by four different variables: size, shape, thickness and colour.

This material is recommended to develop the basic skills of mathematical thinking, such as observation, comparison, classification, and seriation.

We, as a teacher, can use it in activities in which students have to classify objects according to one or several criteria or compare elements in order to establish similarities and differences.