Worksheet directions

Grade 8 • Guided Practice • Work with your teacher or a partner. Discuss the model or strategy, then complete each problem.

Sample questions

1. Similar triangles have corresponding sides 7 and 14. If the shorter matching side is 3, find the other side. Answer: ___
2. Similar triangles have corresponding sides 9 and 12. If the shorter matching side is 15, find the other side. Use Set B values. Answer: ___
3. Similar triangles have corresponding sides 6 and 9. If the shorter matching side is 4, find the other side. Answer: ___
4. Similar triangles have corresponding sides 9 and 12. If the shorter matching side is 15, find the other side. Answer: ___
5. Similar triangles have corresponding sides 5 and 8. If the shorter matching side is 10, find the other side. Answer: ___
6. Similar triangles have corresponding sides 4 and 10. If the shorter matching side is 6, find the other side. Answer: ___

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

Common Core connections

Source labels: 8.G.A.1–5. Review the learning goals below to check the fit for your class.

• 8.G.A.1 — Properties of rotations, reflections, translations
• 8.G.A.2 — Understand congruence through transformations
• 8.G.A.4 — Understand similarity through transformations
• 8.G.A.5 — Angle relationships in triangles and parallel lines

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.