Mathematical skills have an important role in progress of the educational level of nations. Unfortunately, there are still some pupils in school with normal intellectual function, but they have different degrees of mathematical disabilities that really can fall apart their whole life. Dyscalculia is called number blindness. It is the name given to the condition that affects our ability to acquire arithmetical skills. In the Arabic language, there is a deficiency in tools for diagnosis of dyscalculia, so we conducted this study to formulate a test suitable for diagnosis of dyscalculia in Egyptian children via translation and modification of an American test (TOMA 3 test). The modified test was highly significant in discriminating dyscalculic from non-dyscalculic Egyptian pupils regarding all items of the test. The Arabic version of TOMA-3 is valid and reliable for diagnosis of dyscalculia in Egyptian school-age children.

中文翻译：

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阿拉伯肌萎缩症测试在诊断埃及肌萎缩病学龄儿童中的有效性和可靠性

数学技能在国家教育水平的进步中具有重要作用。不幸的是，学校中仍有一些学生具有正常的智力功能，但他们的数学残疾程度不同，确实可以终其一生。肌萎缩症称为数盲。它是影响我们获得算术技能能力的条件的名称。在阿拉伯语中，诊断失调症的工具缺乏，因此我们进行了这项研究，目的是通过翻译和修改美国的测验（TOMA 3测验）来制定一种适用于诊断埃及儿童失调症的测试。修改后的测验对于区分测验的所有项目，都对区分非正常性埃及学生和非正常性埃及学生非常重要。