Dyscalculia

The term dyscalculia originates from the combination of two ancient Greek words: “dys,” meaning “bad,” and “calculia,” meaning “counting.” In this context, the word “dyscalculia” literally translates to “bad counting.” Dyscalculia, also defined as “mathematics learning difficulty,” is one of the subtypes of learning disabilities.

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It is a learning disability characterized by difficulties in establishing mathematical relationships, understanding the concept of numbers and numerical sense, and comprehending and applying operations and concepts. It also involves inadequacies in understanding coordinate systems, time, and spatial concepts. Today, special education professionals address this learning disability. Due to differences in the tests and criteria used for diagnosis, it is difficult to determine the exact prevalence of dyscalculia. However, research suggests that dyscalculia affects approximately 3 to 6 percent of the general population.

Learning difficulties may arise from:

• Adverse conditions before, during, or after birth, including neurological disorders, chronic illnesses, developmental disorders, intellectual disability, and ADHD;
• Family problems, socioeconomic disadvantages, biased attitudes toward mathematics, post-traumatic stress disorder, and other environmental factors.

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Although often associated with intellectual disability or inadequate mathematics instruction, mathematical learning difficulties can occur in individuals with normal intelligence due to environmental factors. However, mathematical learning difficulty cannot be explained solely by environmental influences. It is a distinct and specific learning disability in its own right. Therefore, dyscalculia is a separate condition from intellectual disability or low academic achievement and cannot be accounted for by intellectual deficits or poor education. Psychological and genetic factors also play significant roles in this learning disability.^【1】

• Inability to memorize multiplication tables,
• Slow and difficult performance of basic mathematical operations,
• Difficulty understanding fractions,
• Inability to recognize the commutative property of addition and subtraction,
• Struggles with the four basic arithmetic operations,
• Difficulty comprehending the concept of time,
• Challenges in counting money,
• Incorrect placement of numbers on a number line or coordinate plane.