Sentence Surgery: Repairing Run-Ons and Fragments
As your student grows in their writing abilities, one of the most important skills they need is learning how to write complete sentences. As they learn how to write letters or papers, it’s common to struggle with writing sentence fragments and run on sentences. These hands-on grammar activities for kids will help your student learn to spot them in their writing and fix them with ease!
As an Amazon Associate, we earn from qualifying purchases. This site contains affiliate links see my disclosure here:
What is a Sentence Fragment?
A sentence fragment is an incomplete sentence. It might be missing a subject, a verb, or a complete thought. It feels like a sentence, but it leaves the reader hanging.
Examples of sentence fragments:
- Because I went to the store.
- Jumping over the puddle.
- My dog with the fluffy tail.
Each of these examples is missing something — a complete thought or a key part of the sentence.
Related Post: Identifying Types of Sentences
Hands on Activities for Teaching Sentence Fragments
1. Fragment or Full? Sorting Game
Write a variety of sentence fragments and complete sentences on sentence strips. Have students sort them into two piles: Fragments or Complete Sentences. For extra engagement, make it a relay race!
2. Fix the Fragment Worksheet
Give students a list of sentence fragments and have them turn each into a complete sentence. This reinforces the idea of what a sentence needs: a subject, a verb, and a complete thought.
3. Sentence Surgery (Grab the printables for this activity below!)
Print sentence fragments on colored paper and provide scissors and glue. Students will “perform surgery” by adding missing parts or combining fragments to create full sentences. Bonus points for wearing pretend doctor gear while they fix the sentences!
What is a Run-On Sentence?
A run-on sentence happens when two or more sentences are joined together incorrectly. They often lack the proper punctuation or connecting words (conjunctions).
Examples of run-on sentences:
- I went to the park I saw a duck.
- She likes to swim she goes every day.
- We had dinner we watched a movie we went to bed.
These sentences just keep going without a pause!
Activities for Teaching Run-On Sentences
1. Stop and Go Game
Read aloud a series of run-on sentences. When students hear where the sentence should stop or pause, they say “STOP!” Then, work together to correct it using a period, comma, or conjunction.
2. Conjunction Connect
Teach students how to connect sentences properly using FANBOYS (For, And, Nor, But, Or, Yet, So). Write two short sentences and let students choose the best conjunction to combine them.
Example:
- I like apples. I like bananas.
- I like apples and I like bananas.
3. Rewrite the Run-On
Give students silly run-on sentences and let them correct them by adding punctuation or splitting them into two or more sentences. You can even turn it into a classroom “editing challenge.”
Grammar Resources your Kids will Love
These manipulatives and games will make teaching grammar and sentence building that much more fun.
Sentence Surgery Activity
1. Prep the “Patients”:
- Print sentence strips with incorrect sentences: some fragments, some run-ons.
- Example:
- Fragment: “In the middle of the night.”
- Run-on: “I love pizza I could eat it every day it’s my favorite.”
2. Operation Time!
- Each student (or pair) gets a few “patient” sentences to operate on.
- Students will:
- Cut the sentence apart.
- Rearrange or add words to make it complete and correct.
- Glue the revised sentence onto a surgery sheet or construction paper.
- Label each: “Fixed Fragment” or “Run-on Repaired.”
Grab this Printable Hands-on Sentence Surgery Activity
Angela is the Homeschool Encourager for the Overwhelmed & Under-Caffeinated and the Chaos-to-Confidence Specialist behind Schooling with Grace. With a no-fluff approach, a dash of humor, and a whole lot of heart, she helps homeschool moms cut through the chaos, ditch unrealistic expectations, and teach with confidence.