Worksheet directions

Grade 8 • Independent Practice • Work on your own. Show your calculations or reasoning where needed.

Sample questions

1. A side of 4 becomes 10 under a dilation. Find the scale factor. Answer: ___
2. A side of 8 becomes 12 under a dilation. Find the scale factor. Answer: ___
3. A side of 6 becomes 15 under a dilation. Find the scale factor. Use Set B values. Answer: ___
4. A side of 9 becomes 6 under a dilation. Find the scale factor. Answer: ___
5. A side of 6 becomes 15 under a dilation. Find the scale factor. Answer: ___
6. A side of 5 becomes 20 under a dilation. Find the scale factor. 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.