Mathematics

Mathematics ("math" or "maths" for short) is the study of quantity, numbers, space, and change. Calling Chris's mathematical ability "bad" is putting it lightly, even though he claimed honor roll status. There are many examples of his mathematical errors, including errors of basic arithmetic, as well as quantity, measurement, weight, and time. His poor grasp on math and measurement is a sign of dyscalculia, a common symptom of autism.