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lecture 4 (9) - • inability to perform calculations •...

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Mathematics disorder Photo by: dan talson Definition Mathematics disorder, formerly called developmental arithmetic disorder, developmental acalculia, or dyscalculia, is a learning disorder in which a person's mathematical ability is substantially below the level normally expected based on his or her age, intelligence, life experiences, educational background, and physical impairments. This disability affects the ability to do calculations as well as the ability to understand word problems and mathematical concepts. Description Mathematics disorder was first described as a developmental disorder in 1937. Since then, it has come to encompass a number of distinct types of mathematical deficiencies. These include:
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Mathematics disorder difficulty reading and writing numbers difficulty aligning numbers in order to do calculations
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Unformatted text preview: • inability to perform calculations • inability to comprehend word problems The range and number of mathematical difficulties that have been documented suggests that there are several different causes for mathematics disorder. In addition, several known physical conditions cause mathematics disorder. Turner syndrome and fragile X syndrome, both genetic disorders that affect girls, are associated with difficulty in mathematics. Injury to certain parts of the brain can also cause inability to perform calculations. These conditions appear to be independent of other causes of mathematics disorder. Mathematics disorder is often associated with other learning disorders involving reading and language, although it may also exist independently in children whose reading and language skills are average or above average....
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lecture 4 (9) - • inability to perform calculations •...

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