A poster, showing some of the difficulties pupils with dyscalculia may face. The list of difficulties is not exhaustive but is a flavour of some of the issues. Based on our popular mind map presentation.
A thaumatrope was a hugely popular toy in Victorian times, a kind of old-school stop motion trick, or an old-school show with only one channel. With the wonder of persistence of vision, a bird magically transported into a cage with just a twirl of a string.