Unit Plan
CK-12 Foundation

Ck 12: Geometry: Dilation

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to dilate a figure. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Handout
Oswego City School District

Regents Exam Prep Center: An Intuitive Notion of Dilation

For Students 9th - 10th Standards
This site offers a very basic discussion of dilations. It explains what a scaling factor is and provides illustrations.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Dilations

For Students 9th - 10th
Oswego City School District provides a three link tutorial on dilations. By clicking on each of these links, you will find the definition of a dilation, examples of dilations, and a quiz to test your skills.
Unknown Type
McGraw Hill

Glencoe Mathematics: Online Study Tools: Dilations

For Students 9th - 10th
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of dilations.
eBook
Mathigon

Mathigon: Geometry: Transformations and Symmetry: Dilations

For Students 9th - 10th Standards
This lesson focuses on dilations, a dilation is a transformation that resizes a geometric shape, by making it bigger or smaller.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 8.1 Circles and Similarity

For Students 9th - 10th Standards
Learn how similarity transformation is one or more rigid transformations (reflection, rotation, translation) followed by a dilation.