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

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One paper per student

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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: My sister plays the violin., It was cold, so we wore our hats., I wanted to go out, but it was raining., The baby fell asleep., The dog barked, and the cat ran away., The bread rose in the oven.

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

Sort: We could bake a cake, or we could make pancakes., A bird built a nest in the hedge., Rain dripped from the roof., The sun came out, so we went to the park., The bread rose, and Dad sliced it., We ate lunch under the tree.

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

Sort: Grandpa fixed the old clock., The store was closed, so we went home., The moon rose over the hill., Our teacher read us a story., You can draw a picture, or you can write a poem., The bell rang, and the children lined up.

Simple sentenceCompound sentence

LessonPrint · L.3.1 · Set 7 · free to copy for classroom use

Answer key — Simple or Compound?

Set 7. Prints on its own sheet.

  1. 1.1. I wanted to go out, but it was raining. — Compound sentence 2. It was cold, so we wore our hats. — Compound sentence 3. My sister plays the violin. — Simple sentence 4. The baby fell asleep. — Simple sentence 5. The bread rose in the oven. — Simple sentence 6. The dog barked, and the cat ran away. — Compound sentence
  2. 2.1. A bird built a nest in the hedge. — Simple sentence 2. Rain dripped from the roof. — Simple sentence 3. The bread rose, and Dad sliced it. — Compound sentence 4. The sun came out, so we went to the park. — 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. Grandpa fixed the old clock. — Simple sentence 2. Our teacher read us a story. — Simple sentence 3. The bell rang, and the children lined up. — Compound sentence 4. The moon rose over the hill. — Simple sentence 5. The store was closed, so we went home. — Compound sentence 6. You can draw a picture, or you can write a poem. — Compound sentence

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