Dilations Worksheets for 8th Grade
Dilate figures using a scale factor and identify similar figures.
About Dilations
Geometry Transformations teaches students to move, flip, turn, and resize geometric figures on the coordinate plane. Students learn four transformations — translations, reflections, rotations, and dilations — describe them using coordinate rules, and use them to understand congruence and similarity. This unit connects algebra and geometry in a powerful and visual way.
Dilations are the only non-rigid transformation and introduce the concept of similarity. Understanding how scale factors create proportional figures connects transformations to the ratio and proportion concepts developed in Grades 6 and 7.
What Your Child Will Learn
- Apply a scale factor to dilate a figure from the origin
- Determine whether a dilation is an enlargement or reduction
- Identify corresponding sides and angles of similar figures created by dilation
- Calculate the scale factor given a figure and its dilated image
- Verify that angle measures are preserved while side lengths change proportionally
Worksheets by Difficulty
Start with Easy worksheets to build confidence, then progress to Medium and Hard as your student masters each level.
Understanding the Difficulty Levels
Worksheets 1-3 are Easy level — designed to build confidence with simpler numbers and straightforward problem types. Great for introducing the concept or reviewing basics.
Worksheets 4-7 are Medium level — offering a moderate challenge with larger numbers, varied question types, and more problems per worksheet.
Worksheets 8-10 are Hard level — featuring the most challenging problems including multi-step questions, missing values, and real-world applications.
Tips for Parents & Teachers
Use graph paper and tracing paper for hands-on transformation practice — physically tracing and moving a shape builds spatial intuition.
Translations are the easiest: every point moves the same distance in the same direction.
For reflections, emphasize that each point and its image are the same distance from the line of reflection.
Rotations are the trickiest — practice the coordinate rules (90°, 180°, 270°) until they are automatic.
Frequently Asked Questions
What will my child learn from dilations worksheets?
These 8th Grade dilations worksheets help students practice transformations, similarity, scale factor. Each worksheet provides structured practice with clear instructions and varied problem types.
How often should my 8th Grade student practice dilations?
Consistent practice works best. We recommend 10-15 minutes of focused practice 3-4 times per week. Start with Easy worksheets and progress to Medium and Hard as your student builds confidence.
Are these dilations worksheets free to print?
Yes, all 8th Grade dilations worksheets on K12Worksheets are completely free. You can download and print as many as you need for home or classroom use — no signup required. Each worksheet includes a printable answer key on a separate page.
How do I know which dilations worksheet to start with?
Begin with the Easy worksheets (Worksheets 1–3) to assess your student's current skill level. If they complete these confidently, move to Medium (Worksheets 4–7). Reserve Hard worksheets (Worksheets 8–10) for students who have mastered the basics. If your student struggles with Easy worksheets, revisit prerequisite topics first.