Correct spelling is important to effective communication. When a writer knows the correct order to write the letters to spell words, the message of a piece of writing is clearer.

During the editing stage of the writing process, students further improve their drafts and often prepare for publishing by correcting conventions errors. Ensuring that the standard rules of the Spanish language have been applied correctly helps the audience to more easily comprehend the information because they do not have to interrupt their thinking to determine what the writer intended to say.

Understanding a variety of common patterns of letters and rules for how words change depending on their usage are critical in knowing how to spell. Students must be able to spell words correctly according to these common spelling patterns and spelling rules, such as using the double consonant r to spell words with the intermediate /rr/ sound like in perro, carro or ferrocarril.

standard rules of the Spanish language, including written mechanics such as punctuation, capitalization, spelling, paragraphing, etc. and written/oral grammar such as parts of speech, word order, subject-verb agreement, and sentence structure