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Fixing run-on sentences

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Free printable fixing run-on sentences worksheets for 4th grade. Students practice correcting run-on sentences by applying one of four strategies: adding a period, using a semicolon, adding a coordinating conjunction, or using a subordinating conjunction to create a complex sentence. These revision skills are essential for producing polished written work. Part of our sentences worksheets collection.

What You'll Learn

  • Correct run-on sentences by adding punctuation or conjunctions
  • Rewrite run-ons as two separate sentences or compound sentences
  • Apply multiple strategies to fix run-on sentences accurately

FAQ

What are the four main ways to fix a run-on sentence?

Students can (1) split it into two sentences with a period, (2) use a semicolon, (3) add a coordinating conjunction with a comma, or (4) use a subordinating conjunction to make one clause dependent.

How do students decide which strategy to use when fixing a run-on?

The best choice depends on the relationship between the ideas — closely related ideas may work well with a semicolon, while ideas with a causal relationship suit 'because' or 'so.'

How does fixing run-on sentences connect to CCSS writing standards?

CCSS W.4.5 requires students to revise and edit for grammar, and correcting run-ons is a key editing skill that teachers address during the revision stage of the writing process.

Grade
4th Grade
Ages
Ages 9-10
Subject
Grammar & Writing
Format
Printable PDF

Ratings & Reviews

3

Emily W.

Homeschool parent · Verified download

May 2026

Excited for this one! I've been hunting for a good printable on this topic for weeks.

Helpful · 9

Priya N.

Kindergarten Teacher · Verified download

Apr 2026

This is going straight into my lesson plans the second it drops. Please prioritize this one!

Helpful · 13

Maria R.

Homeschool parent · Verified download

May 2026

Can't wait! This is exactly what we've been looking for. Please make it soon!

Helpful · 7

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