Attribute that distinguishes or opposes.


A set of logic blocks used in math is formed by several objects that are distinct shapes, colours, thicknesses, and sizes.

Using this material, a student can create sequences of piles of blocks that include one, two, or three differences between them, depending on the instructions. These differences concern either the shape, or the colour, or the thickness, or the size.

In this table, two neighbouring blocks in the same column or in the same row have two differences (all of the blocks are thin):


Synonym for deviation or residue.

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