Combine Sentences With And | Printable Grade 1–4

This printable worksheet builds sentence fluency by giving students structured practice combining two simple sentences into one compound sentence using the coordinating conjunction and. Students in Grades 1–4 strengthen grammar mechanics and writing clarity through 10 focused exercises on a single page.

At a Glance

• Grade: 1–4 · Subject: English Language Arts / Grammar
• Standard: CCSS.ELA-LITERACY.L.1.1.G — Use conjunctions to join words, phrases, or clauses
• Skill Focus: Combining sentences with coordinating conjunction and
• Format: 1 page · 10 problems · Answer key included · PDF
• Best For: Grammar practice, writing warm-up, centers
• Time: 10–20 minutes

The worksheet presents 10 sentence-pair prompts. Students read two short simple sentences and rewrite them as one compound sentence joined by and. The single-page format keeps tasks visible at a glance. An answer key provides model responses so teachers can check work quickly or post for self-correction.

• Guided practice (problems 1–3): Sentence pairs use high-frequency words and short clauses. Scaffold level is high — students focus solely on inserting and with minimal syntactic change.
• Supported practice (problems 4–7): Clauses grow slightly longer. Students must decide where to place the conjunction and manage punctuation, reducing scaffold support.
• Independent practice (problems 8–10): Sentence pairs introduce varied subjects and predicates. Students apply the full combining strategy without structural hints, demonstrating transfer.

This gradual-release sequence mirrors the I Do / We Do / You Do model, moving students from recognition to independent production across the 10 items.

Standards Alignment

Primary standard: CCSS.ELA-LITERACY.L.1.1.G — Use frequently occurring conjunctions (e.g., and, but, or, so, because). Extended application aligns with CCSS.ELA-LITERACY.L.2.1.F, which asks students to produce, expand, and rearrange complete sentences. Both standard codes can be copied directly into lesson plans, IEP goals, or district curriculum mapping tools.

How to Use It

Before direct instruction: distribute as a pre-assessment to gauge baseline understanding of compound sentences — note which students leave the conjunction out or omit the comma. After direct instruction: assign as guided or independent practice; expect most Grade 2–3 students to finish in 10–15 minutes, Grade 1 students in 15–20 minutes. Formative tip: scan problems 8–10 first — errors there signal students need more work on clause boundaries before moving to other conjunctions.

Who It's For

Primary audience: Grade 1–4 students building foundational grammar and sentence-writing skills. Works well for early finishers at Grade 1, core practice at Grade 2–3, and quick review or intervention at Grade 4. Pair with a coordinating conjunctions anchor chart (FANBOYS) or a shared-writing lesson on compound sentences for maximum impact.

Research supports explicit conjunction instruction as a gateway to syntactic maturity. Fisher & Frey (2014) identify sentence-combining tasks as high-leverage writing practice that transfers directly to composition fluency. Worksheet CCSS.ELA-LITERACY.L.1.1.G targets the student action of joining two independent clauses with and — a foundational move in written grammar. NAEP data consistently show that students who control basic sentence-combining strategies score higher on constructed-response writing tasks by Grade 4. This single-page, 10-problem resource gives teachers a fast, repeatable tool for building that control across Grades 1–4, with an answer key that supports both teacher-led correction and student self-assessment.