Illustrative Mathematics
Illustrative Mathematics: 8.g Congruent Rectangles
Eighth graders are shown two rectangles with the same side lengths and are asked to answer questions about congruence and transformations. Aligns with 8.G.A.2.
Illustrative Mathematics
Illustrative Mathematics: 8.g Congruence of Alternate Interior Angles
Eighth graders are presented with a labeled drawing of two parallel lines intersected by a transversal line. They are asked to discuss congruency of angles when the picture is rotated about a point on the transversal. Aligns with 8.G.A.5.
Illustrative Mathematics
Illustrative Mathematics: 8.g Congruent Segments
Eighth graders are shown two line segments that are the same length and must describe a sequence of reflections that exhibits a congruence between them. Aligns with 8.G.A.2.
Illustrative Mathematics
Illustrative Mathematics: 8.g Triangle Congruence With Coordinates
For this task, 8th graders explore congruence and transformations of two triangles on a coordinate grid. Aligns with 8.G.A.2.
Illustrative Mathematics
Illustrative Mathematics: 8.g Congruent Triangles
In this task, 8th graders investigate congruence and transformations of two triangles on a coordinate grid. Includes a GeoGebra worksheet that the teacher can use for demonstration purposes. Aligns with 8.G.A.2.
Illustrative Mathematics
Illustrative Mathematics: 8.g Cutting a Rectangle Into Two Congruent Triangles
This task shows the congruence of two triangles formed by cutting a rectangle in half along the diagonal. Students are asked to investigate elements of congruence and transformations among the shapes. Aligns with 8.G.A.2.
University of Georgia
University of Georgia: Inter Math: Transformation
This site defines transformation and lists several different examples of transformations. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving...
Analyze Math
Analyze Math: Rotation Symmetry of Regular Polygons
An applet is used to investigate the rotation symmetry of regular polygons.
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]
CK-12 Foundation
Ck 12: Geometry: Corresponding Parts of Similar Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson, students identify corresponding parts of similar figures. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Types of Transformations Study Guide
[Free Registration/Login may be required to access all resource tools.] Transformations move and modify geometric shapes. There are several types of transformations that all transform figures in different ways. These transformations can...
CK-12 Foundation
Ck 12: Geometry: Geometric Translations
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to translate a figure. They examine guided notes, review examples, watch instructional videos, and try practice problems.
CK-12 Foundation
Ck 12: Geometry: Composition of Transformations
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to compose transformations and how to represent the composition of transformations as a rule. Students examine guided notes, review...
Alabama Learning Exchange
Alex: Similar Figure Activity
The purpose of this lesson is to allow students to self-discover the relationships between similar figures. The students should then take what they learn about these relationships and apply these concepts to problem-solving.
Thinkport Education
Math by Design: Transformations/rotations [Pdf]
A geometry lesson plan providing young scholars practice with transformations and rotations.
National Council of Teachers of Mathematics
Nctm: Illuminations: Composing Transformations
Compose equivalent transformations in two different ways.
Shodor Education Foundation
Shodor Interactivate: Transmographer 2
Build your own polygon and transform it in the Cartesian coordinate system. Experiment with reflections across any line, rotations about any point, and translations in any direction.
Geometry Help
Geometry Help: Parallelograms
Explains the basic concept of parallelograms with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Khan Academy
Khan Academy: Rotate Shapes
Given a figure on the coordinate plane and the definition of a rotation about the origin, manually draw the image of that rotation.
Quia
Ixl Learning: Rotations
Brush up on your math skills relating to rotations then try some practice problems to test your understanding.
Quia
Ixl Learning: Dilations
Brush up on your math skills relating to dilations then try some practice problems to test your understanding.
Quia
Ixl Learning: Similarity
Brush up on your math skills relating to similarity then try some practice problems to test your understanding.
PBS
Pbs Learning Media: Scale City: Similar Figures and Unknown Heights in Practice
In this interactive, students explore how to use shadows, proportional reasoning, and similar figures to determine the unknown height of an object. The interactive allows students to explore the proportional relationships among the...
PBS
Pbs Learning Media: Math + Arts: Rotation, Reflection, and Translation in Dance
In this lesson, students choreograph a dance figure by creating a dance graph with descriptions of rotation, reflection, and translation; perform it for their classmates; and translate a classmate's dance map into a performance. Media...