Test for a right triangle — Warm-up — page 1
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Test for a right triangle — Warm-up — page 2
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Worksheet directions

Grade 8 • Warm-up • Two identical copies. Cut along the dashed line.

Sample questions

  1. Do side lengths 3, 4, and 5 form a right triangle? Show the squared relationship. Answer: ___
  2. Do side lengths 20, 21, and 29 form a right triangle? Show the squared relationship. Answer: ___

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

Common Core connections

Source labels: 8.G.B.6–9, 8.G.C.9. Review the learning goals below to check the fit for your class.

  • 8.G.B.7 — Apply the Pythagorean theorem
  • 8.G.B.8 — Distance between two points on the plane

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.

Open in Sparkclass →

More practice for this learning goal