A learning disability involving a math disability can cause such difficulties as learning math concepts (such as quantity, place value, and time), difficulty memorizing math facts, difficulty organizing numbers, and understanding how problems are organized on the page. [ url:http://en.wikipedia.org/wiki/Learning_disability#Types_of_learning_disabilities http://purl.obolibrary.org/obo/ECO_0007638 ]

**Synonyms:**
disorder of arithmetical skills
Mathematics disorder