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Simple or Compound? is a free printable Grade 3 English worksheet on telling one complete thought from two joined ones, aligned to Common Core standard L.3.1. It prints 3 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 11 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Simple or Compound?

L.3.1

NameDate

Sort each sentence into the right column.

1.Sort each one: Simple sentence or Compound sentence?

Sort: The bread rose, and Dad sliced it., It was cold, so we wore our hats., Our teacher read us a story., The bread rose in the oven., Rain dripped from the roof., Mia found a shell, and she gave it to me.

Simple sentenceCompound sentence
2.Sort each one: Simple sentence or Compound sentence?

Sort: The store was closed, so we went home., We ate lunch under the tree., The baby fell asleep., The puppy chewed my sock., The dog barked, and the cat ran away., We could bake a cake, or we could make pancakes.

Simple sentenceCompound sentence
3.Sort each one: Simple sentence or Compound sentence?

Sort: My sister plays the violin., Grandpa fixed the old clock., The path was icy, but nobody fell., A fox ran across the road., The sun came out, so we went to the park., I wanted to go out, but it was raining.

Simple sentenceCompound sentence

LessonPrint · L.3.1 · Set 11 · free to copy for classroom use

Answer key — Simple or Compound?

Set 11. Prints on its own sheet.

  1. 1.1. It was cold, so we wore our hats. — Compound sentence 2. Mia found a shell, and she gave it to me. — Compound sentence 3. Our teacher read us a story. — Simple sentence 4. Rain dripped from the roof. — Simple sentence 5. The bread rose in the oven. — Simple sentence 6. The bread rose, and Dad sliced it. — Compound sentence
  2. 2.1. The baby fell asleep. — Simple sentence 2. The dog barked, and the cat ran away. — Compound sentence 3. The puppy chewed my sock. — Simple sentence 4. The store was closed, so we went home. — Compound sentence 5. We ate lunch under the tree. — Simple sentence 6. We could bake a cake, or we could make pancakes. — Compound sentence
  3. 3.1. A fox ran across the road. — Simple sentence 2. Grandpa fixed the old clock. — Simple sentence 3. I wanted to go out, but it was raining. — Compound sentence 4. My sister plays the violin. — Simple sentence 5. The path was icy, but nobody fell. — Compound sentence 6. The sun came out, so we went to the park. — Compound sentence

Last reviewed 2026-09-05. Aligned to L.3.1 of the Common Core State Standards for English Language Arts.