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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 16 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 path was icy, but nobody fell., The bread rose, and Dad sliced it., We ate lunch under the tree., Leo likes apples, but his brother likes pears., The moon rose over the hill., Our teacher read us a story.

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

Sort: The sun came out, so we went to the park., The puppy chewed my sock., A bird built a nest in the hedge., The bread rose in the oven., The dog barked, and the cat ran away., It was cold, so we wore our hats.

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

Sort: Rain dripped from the roof., You can draw a picture, or you can write a poem., A fox ran across the road., We could bake a cake, or we could make pancakes., The baby fell asleep., The store was closed, so we went home.

Simple sentenceCompound sentence

LessonPrint · L.3.1 · Set 16 · free to copy for classroom use

Answer key — Simple or Compound?

Set 16. Prints on its own sheet.

  1. 1.1. Leo likes apples, but his brother likes pears. — Compound sentence 2. Our teacher read us a story. — Simple sentence 3. The bread rose, and Dad sliced it. — Compound sentence 4. The moon rose over the hill. — Simple sentence 5. The path was icy, but nobody fell. — Compound sentence 6. We ate lunch under the tree. — Simple sentence
  2. 2.1. A bird built a nest in the hedge. — Simple sentence 2. It was cold, so we wore our hats. — Compound sentence 3. The bread rose in the oven. — Simple sentence 4. The dog barked, and the cat ran away. — Compound sentence 5. The puppy chewed my sock. — Simple sentence 6. The sun came out, so we went to the park. — Compound sentence
  3. 3.1. A fox ran across the road. — Simple sentence 2. Rain dripped from the roof. — Simple sentence 3. The baby fell asleep. — Simple sentence 4. The store was closed, so we went home. — Compound sentence 5. We could bake a cake, or we could make pancakes. — 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.