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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 6 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: We could bake a cake, or we could make pancakes., Mia found a shell, and she gave it to me., The moon rose over the hill., The bread rose, and Dad sliced it., A bird built a nest in the hedge., The puppy chewed my sock.

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

Sort: The train left the station., You can draw a picture, or you can write a poem., The store was closed, so we went home., Our teacher read us a story., Grandpa fixed the old clock., The dog barked, and the cat ran away.

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

Sort: Leo likes apples, but his brother likes pears., The baby fell asleep., It was cold, so we wore our hats., The sun came out, so we went to the park., The bread rose in the oven., A fox ran across the road.

Simple sentenceCompound sentence

LessonPrint · L.3.1 · Set 6 · free to copy for classroom use

Answer key — Simple or Compound?

Set 6. Prints on its own sheet.

  1. 1.1. A bird built a nest in the hedge. — Simple sentence 2. Mia found a shell, and she gave it to me. — Compound sentence 3. The bread rose, and Dad sliced it. — Compound sentence 4. The moon rose over the hill. — Simple sentence 5. The puppy chewed my sock. — Simple sentence 6. We could bake a cake, or we could make pancakes. — Compound sentence
  2. 2.1. Grandpa fixed the old clock. — Simple sentence 2. Our teacher read us a story. — Simple sentence 3. The dog barked, and the cat ran away. — Compound sentence 4. The store was closed, so we went home. — Compound sentence 5. The train left the station. — Simple sentence 6. You can draw a picture, or you can write a poem. — Compound sentence
  3. 3.1. A fox ran across the road. — Simple sentence 2. It was cold, so we wore our hats. — Compound sentence 3. Leo likes apples, but his brother likes pears. — Compound sentence 4. The baby fell asleep. — Simple sentence 5. The bread rose in the oven. — Simple 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.