Find greatest common factors — Warm-up — page 1
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Find greatest common factors — Warm-up — page 2
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Worksheet directions

Grade 6 • Warm-up • Two identical copies. Cut along the dashed line.

Sample questions

  1. Find the greatest common factor of 24 and 18. List the common factors and explain why your choice is greatest.
  2. A student says the GCF of 24 and 18 is 12. Test divisibility, then correct the answer.
  3. Find the greatest common factor of 48 and 36. List the common factors and explain why your choice is greatest.

See the preview for diagrams, answer spaces, and the complete layout.

Common Core connections

Source labels: 6.NS.B.4. Review the learning goals below to check the fit for your class.

  • 6.NS.B.4 — Greatest common factor, least common multiple

Bring it into your lesson

Review the preview and question content above. Open the resource in Sparkclass to copy it to your Files and use it in your workspace. Check the resulting layout before sharing it with students.

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