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Is it a complete sentence or a run-on?
Free printable Grade 5 English worksheet for "Is it a complete sentence or a run-on?" — practice sentences, fragments, and run-ons (grammar and mechanics). No-prep, print or assign online.
This worksheet helps students practice identifying complete sentences versus run-on sentences, reinforcing their understanding of sentence boundaries and grammar rules. Teachers can use it as a diagnostic tool or a skill-building exercise to enhance students' sentence construction abilities. Ideal for Grade 5 grammar lessons, it supports mastery of sentence fragments, run-ons, and proper punctuation.
Learning objectives
- Identify complete sentences and distinguish them from run-on sentences
- Analyze sentence structure to determine grammatical correctness
- Correctly classify sentences as complete or run-on to improve writing clarity
Answer Key

How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Grade 5; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
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