Which of the following is NOT a language processing requirement of proficient reading and writing?

The reasoning behind selecting this option lies in understanding the components that are essential for proficient reading and writing. Phonological processing involves the ability to hear and manipulate sounds in language, which is crucial for decoding words while reading and for spelling in writing. Orthographic processing relates to the visual recognition of letters, letter patterns, and word structures, which aids in reading fluency and writing accuracy. Syntactic processing refers to the understanding of grammatical structures and rules within language, which helps in constructing coherent sentences both in reading and writing.

In contrast, mathematical processing does not directly pertain to language skills required for proficient reading and writing. While mathematical skills are important in their own right, they do not relate to the linguistic competencies that affect literacy. This distinction helps clarify why the other options are integral to reading and writing proficiency, while the chosen response does not fit within that framework.