In this interactive simulation, students are able to visualize and manipulate objects to understand dilation transformations. Students are able to adjust the center of dilation, rotate and move figures, change the scale factor to see what effect it has on the figures, add their own figures, and more. Across the top of the page, visitors will find links to activities to guide students as they explore the site, and more advanced activities involving computation are available in the Parent/Teacher section. The Instructions sections has detailed information for students and teachers alike on how to use the manipulative.


  • Mathematics > General

Education Levels:

  • Grade 1
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  • Grade 12


Grade 12,Informal Education,Middle School,NSDL,Grade 8,Grade 9,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-016,High School,Grade 10,Grade 11,oai:nsdl.org:2200/20120614151509938T,Mathematics



Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike


Update Standards?

CCSS.Math.Content.8.G.A.3: Common Core State Standards for Mathematics

Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.

CCSS.Math.Content.HSG-SRT.A.1: Common Core State Standards for Mathematics

Verify experimentally the properties of dilations given by a center and a scale factor:

CCSS.Math.Content.HSG-SRT.A.1a: Common Core State Standards for Mathematics

A dilation takes a line not passing through the center of the dilation to a parallel line, and leaves a line passing through the center unchanged.

CCSS.Math.Content.HSG-SRT.A.1b: Common Core State Standards for Mathematics

The dilation of a line segment is longer or shorter in the ratio given by the scale factor.
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