Indefinite Article Fill-Ins Answer Key

In this exercise, students read each sentence carefully and fill in the blanks with either “a” or “an” to complete it correctly. The sentences contain clear contextual clues, allowing learners to apply their understanding of vowel and consonant sounds. This worksheet promotes sentence-level grammar application while reinforcing correct article usage. As students practice identifying the correct article for each noun, they enhance their editing and proofreading skills. The repetition and variation make this activity ideal for building automaticity with indefinite articles.

Curriculum Matched Skills

English Language Arts – Conventions of Standard English Grammar

English Language Arts – Application of Indefinite Articles

English Language Arts – Sentence Completion and Structure

English Language Arts – Sound-Letter Correspondence

This worksheet is part of our A vs. An collection.