Government of Alberta
Learn Alberta: Math Interactives: Exploring Dilations
Investigate dilations using this interactive resource. Students are given an opportunity to explore how scale factors can be used to enlarge or reduce the size of a given figure. Be sure to follow the link to the printable activities,...
Texas Education Agency
Texas Gateway: Comparing and Explaining Transformations
Given rotations, reflections, translations, and dilations, students will be able to develop algebraic representations for rotations and generalize and then compare and contrast the properties of congruence transformations and...
Math Open Reference
Math Open Reference: Plane Geometry: Transformations
Explore transformations of a polygon that include: 1) translation 2) rotation 3) reflection and 4) dilation.
Oswego City School District
Regents Exam Prep Center: An Intuitive Notion of Dilation
This site offers a very basic discussion of dilations. It explains what a scaling factor is and provides illustrations.
Texas Education Agency
Texas Gateway: Comparing and Explaining Transformations
Given rotations, reflections, translations, and dilations, students will be able to develop algebraic representations for rotations, and generalize and then compare and contrast the properties of congruence transformations and...
Khan Academy
Khan Academy: Perform Dilations
Use the interactive transformation tool to perform dilations for four problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Dilations: Scale Factor
Find both the center and the scale factor of a dilation that maps a given figure to another one. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Dilate Triangles
Given a figure and a definition of a dilation, draw the image. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Quia
Ixl Learning: Dilations
Brush up on your math skills relating to dilations then try some practice problems to test your understanding.
Math Planet
Math Planet: Geometry: Common Types of Transformation
Provides an explanation, examples, and a video lesson all related to the four common types of transformation. [1:00]
Khan Academy
Khan Academy: Sequences of Transformations
Given a description of a sequence of transformations, determine whether it preserves segment length or angle measure.
University of Waterloo (Canada)
University of Waterloo: Cemc: Geometry and Spatial Sense: Transformations [Pdf]
Accompanied by links to online activities and demonstrations, students learn about the different types of transformations on a coordinate grid through this lesson plan. The lesson is designed to match the Grade 7 Ontario curriculum, with...
Concord Consortium
Concord Consortium: Transformations of Functions 2: Dilations
By the end of the module students will be able to identify a given function dilation, identify the way the graph will change and sketch a graph of the dilated function
Wolfram Research
Wolfram Math World: Math World: Dilation
This MathWorld site gives a visual description of dilation and the different kinds of dilation in a similarity transformation.
CK-12 Foundation
Ck 12: Geometry: Dilation
[Free Registration/Login may be required to access all resource tools.] In this lesson students explore geometric dilations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Geometry: Dilation
[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.
Concord Consortium
Concord Consortium: Transformations of Functions 4: All Transformations
Students will understand all transformations of functions: translations, dilations and reflections. By the end of the activity students will be able to identify a function transformation, identify the way the graph will change given a...
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept explores graphing a dilation given a description of the dilation. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Interactive Geometry: 6.1 Dilations
A transformation is a function that takes points in the plane as inputs and gives other points as outputs. You can think of a transformation as a rule that tells you how to create new points from old points.
Other
Nearpod: Transformations & Congruence
In this lesson on transformations and congruence, 8th graders will investigate dilations, rotations, reflections, and translations on the coordinate plane and the figures that result from these transformations.
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to draw dilated figures in the coordinate plane and use dilated figures in the coordinate plane to find scale factors. Students...
CK-12 Foundation
Ck 12: Geometry: Dilation
[Free Registration/Login may be required to access all resource tools.] In this lesson students recognize dilations and use scale factor to determine measurements. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Dilation in the Coordinate Plane
[Free Registration/Login may be required to access all resource tools.] In this lesson, students dilate figures in the coordinate plane. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Other
Nearpod: Transformations on Coordinate Planes
In this lesson on transformations on coordinate planes, 8th graders explore dilation, translation, reflection, and rotation of shapes within a coordinate plane.