Wikipedia Precis

This revision: 9th May 2013 .
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Dyscalculia (also called math disability or numlexia) is a specific learning disability involving innate difficulty in learning or comprehending arithmetic.

It is akin to dyslexia and includes difficulty in understanding numbers, learning how to manipulate numbers, learning maths facts, and a number of other related symptoms.

Math disabilities can also occur as the result of some types of brain injury, in which case the proper term is acalculia, to distinguish it from dyscalculia which is of innate, genetic or developmental origin.

Although math learning difficulties do occur in children with low IQs,[1] dyscalculia also affects people from across the whole IQ range, and sufferers often, but not always, also have difficulties with time, measurement, and spatial reasoning.[2][3]

Estimates of the prevalence of dyscalculia range between 3 and 6% of the population.[2][3]

Useful Links

A large US site concerned with dyscalculia and related specific learning difficulties. Includes a wealth of resources, strategies an advise for teachers and learners

LD OnLine - Math Section

LD OnLine seeks to help children and adults reach their full potential by providing accurate and up-to-date information and advice about learning disabilities and ADHD.

Dyscalculia Forum

Another US site hosting public discussion on dyscalculia as well as maintaining a good collection of FAQs and resources.

NNS Dyscalculia Guidance

This leaflet from the DFES contains a brief description of the difficulties children experience, examples of the ways in which children with dyslexia and dyscalculia learn mathematics differently, guidance on how teachers and teaching assistants can support such children, and further references.

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