Sentence Expansion Practice

This sentence expansion practice worksheet helps students in Grades 3, 4, and 5 develop sentence fluency, grammar accuracy, and writing confidence by expanding short sentences using then or than correctly. By adding details that show sequence or comparison, learners practice building longer, clearer sentences while applying precise word usage in context.

Learning Goals

• Sentence Expansion & Structure (Grades 3-5): Students extend simple sentences into more detailed, complete ideas.
• Grammar & Word Usage: Learners correctly use then to show time or order and than to show comparison.
• Writing Development & Fluency: Students practice elaboration to improve flow and clarity in writing.
• Contextual Word Understanding: Learners analyze meaning to decide which word best fits each expansion task.

Instructional Benefits

• Teacher-Created Resource: Designed by educators to align with elementary ELA writing and grammar standards.
• Guided Expansion Prompts: Clear directions help students focus on both structure and meaning.
• Encourages Creative Thinking: Allows students to add original details while following grammatical rules.
• Flexible Use: Ideal for writing lessons, grammar practice, independent work, assessment, or homeschool instruction.

This sentence expansion practice worksheet helps students move beyond basic sentences to more expressive, well-structured writing. By expanding ideas using then and than, learners strengthen grammar understanding, sentence fluency, and confidence in written expression. Whether used in a classroom or homeschool setting, this printable activity offers a clear, low-prep way to build stronger sentences through meaningful grammar application.

This worksheet is part of our Then vs. Than collection.