ولمپياد الرياضيات العالمي (بالإنجليزية: International Mathematical Olympiad, IMO) هي اولمپياد رياضيات سنوي مكون من 42 نقطة على ستة أسئلة للطلبة قبل المرحلة

Dyscalculia refers to a wide range of lifelong learning disabilities involving math. There is no single type of math disability. Dyscalculia can vary from person to person. And, it can affect people differently at different stages of life.

Two major areas of weakness can contribute to math learning disabilities: