Explain an algebra error — Warm-up — page 1
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Explain an algebra error — 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. A student subtracts 6 before dividing in 2x + 6 = 18. Explain why this works. Answer: ___
  2. A student subtracts 8 before dividing in 4x + 8 = 40. Explain why this works. Answer: ___
  3. A student subtracts 9 before dividing in 3x + 9 = 33. Explain why this works. Answer: ___

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

Common Core connections

Source labels: 8.EE.B.7. Review the learning goals below to check the fit for your class.

No exact Common Core match is available in this directory.

Bring it into your lesson

Open this worksheet in Sparkclass to copy it to your Files. Check the resulting layout before sharing it with students.

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