This specific passage generally employs three highly challenging IELTS question types. Mastering these is crucial for achieving a Band 7 or higher.

A person with dyscalculia cannot solve basic arithmetic problems.

Answer: TRUE

A specific deficit in acquiring arithmetic skills not caused by low intelligence or poor schooling.

: One theory is that it stems from a lack of innate "number sense" (subitizing).

To make something bad or unsatisfactory better.