Dyscalculia is a progressive condition related to mathematical learning that occurs during childhood. Dyscalculia is not related to an intellectual or mental impairment. The simplest arithmetic, like the subtraction of a number or counting small quantities, is difficult or impossible in the case of dyscalculia. The causes of dyscalculia are currently assumptions. The repetition of instructions and skills, and speech therapy could help improve arithmetic skills.

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