Geometric Reflections Introductory Activity for Rigid Transformations Unit

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  1. Here's what you need to teach rigid transformations! With these 3 introductory activities, your students will discover the effects of translations, rotations, and reflections on two-dimensional figures using coordinates!In this bundle, you will receive:a hands-on translations activity where students
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Introduce reflections to your students with this inquiry activity! Students will follow simple instructions to reflect 4 different figures across the x-axis or y-axis. They will discover how reflections affect the coordinates of the pre-image.

Students record the coordinates of the reflected image in a table to organize their points. They are then asked to notice the effects of the coordinates when the figure is reflected across a particular axis. They will need to describe the effect of reflections on two-dimensional figures using coordinates.

The directions ask students to count distances of each point from the axis. However, you can also use tracing paper with this activity so that students get the conceptual understanding that a reflection flips the image.

The purpose of this activity is not to memorize a rule. Rather, the goal is for students to understand the effects that reflecting over an axis has on coordinates so they can make sense of the transformation.

Students use what they notice to make predictions about a reflection without an image.

This activity is part of the Rigid Transformations Introductory Activities Bundle!

Please follow me! -8th Grade Math Teacher

For more rigid transformations activities, check out...

Translations Hands-on Introductory Activity

Geometric Rotations Introductory Activity

Mother's Day Reflections Activity

Mother's Day Reflections Digital Activity

Angle Relationships Hands-On Discovery Activity

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Total Pages
6 pages
Answer Key
Teaching Duration
30 minutes
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to see state-specific standards (only available in the US).
Verify experimentally the properties of rotations, reflections, and translations:
Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.


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