# Transformations - Reflections

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Resource ID#: 11263 Primary Type: Virtual Manipulative

### General Information

Subject(s): Mathematics
Grade Level(s): 8, 9, 10, 11, 12
Intended Audience: Educators , Students
Suggested Technology: Computer for Presenter, Computers for Students, Internet Connection, LCD Projector, Java Plugin
Instructional Time: 15 Minute(s)
Keywords: symmetry, reflection, transformation
Instructional Component Type(s):
Instructional Design Framework(s): Demonstration
Resource Collection: iCPALMS

## Aligned Standards

This vetted resource aligns to concepts or skills in these benchmarks.

## 1 Lesson Plan

Rotations and Reflections of an Equilateral Triangle

Students will apply simple transformations (rotation and reflection) to an equilateral triangle, then determine the result of the action of two successive transformations, eventually determining whether the action satisfies the commutative and associate properties.

## Related Resources

Other vetted resources related to this resource.

## Educational Software / Tool

Transformations Using Technology:

This virtual manipulative can be used to demonstrate and explore the effect of translation, rotation, and/or reflection on a variety of plane figures. A series of transformations can be explored to result in a specified final image.

Type: Educational Software / Tool

## Lesson Plan

Rotations and Reflections of an Equilateral Triangle:

Students will apply simple transformations (rotation and reflection) to an equilateral triangle, then determine the result of the action of two successive transformations, eventually determining whether the action satisfies the commutative and associate properties.

Type: Lesson Plan

## Virtual Manipulatives

Rotation of a Point:

This virtual manipulative is an interactive visual presentation of the rotation of a point around the origin of the coordinate system. The original point can be dragged to different positions and the angle of rotation can be changed with a 90° increment.

Type: Virtual Manipulative

Transformations - Rotation:

Rotate shapes and their images with or without a background grid and axes.

Type: Virtual Manipulative

Transformations - Translation:

The user can demonstrate or explore translation of shapes created with pattern blocks, using or not using a coordinate axes and lattice points background, by changing the translation vector.
(source: NLVM grade 6-8 "Transformations - Translation")

Type: Virtual Manipulative