Texas Instruments
Texas Instruments: Mapping a Leaf
In this activity, students will identify and record ordered pairs from a coordinate plane. They will examine symmetry about the axes, reflections, and symmetry in nature. They understand geometric concepts like area and perimeter, and...
Texas Instruments
Texas Instruments: Traveling Shapes Motion Geometry
In this activity, students describe how to move a shape from one place to another in a plane. They learn about translations, rotations, and line reflections. [Requires Adobe Reader.]
Texas Instruments
Texas Instruments: Rotations in the Coordinate Plane
It is important for students to know what happens to the coordinates of points when they are rotated in the coordinate plane by 90 or 180 degrees, either clockwise or counterclockwise. This activity enables students to use Cabri Jr. to...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Celosias
In Spanish. Study isometric plane movements through real objects and observe such movements in scenes interactively.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Traslaciones, Simetrias Y Giros
In Spanish. In this unit you can learn about movements in the plane: translations, symmetry and rotation.
Other
Math Across the Curriculum: Art and Linear Perspective
This website contains an easy to understand explanation of vanishing point and other concepts of linear perspective.
Clark University
Clark University: Dave's Short Trig Course: Transformations of the Plane
Site that focuses on planar pattern and transformations within geometry. It also identifies different kinds of symmetry.
Other
Hstry: Transformations
A unique geometry project that asks students to complete a transformation using a picture. Project includes instructions, examples, and quiz questions.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Transformations
Students show comprehension of advanced mathematics skills in Geometry. The questions check understanding on transformational geometry. Topics include translations, symmetry, and rotations.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Congruent Polygons
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of congruent polygons.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Rotations
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of rotation.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Similar Polygons
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of similar polygons.
CK-12 Foundation
Ck 12: Geometry: Corresponding Parts of Congruent Figures
[Free Registration/Login may be required to access all resource tools.] In this lesson, students identify corresponding parts of congruent figures. They examine guided notes, review guided practice, watch instructional videos, and...
Texas Education Agency
Texas Gateway: Generalizing Proportions From Similar Figures
Given a pair of similar figures, including dilations, students will be able to generalize that the lengths of corresponding sides are proportional.
Illustrative Mathematics
Illustrative Mathematics: Reflections, Rotations, and Translations
This task uses GeoGebra software, which can be freely downloaded, to explore what happens to the line segments and angles of a triangle when it is reflected, rotated, and translated. Includes printable task sheet for students and a...
Sophia Learning
Sophia: Similarity
This learning tutorial describes the characteristics of similar figures and how to use scale factor and proportions to determine missing side lengths. The lesson includes PowerPoint presentations and videos demonstrating how to solve...
Analyze Math
Analyze Math: Rotation Symmetry of Geometric Shapes
An applet is used to explore the rotation symmetry of geometric shapes. [Requires Java.]
Varsity Tutors
Varsity Tutors: Hotmath: Similar Figures
Find a clear explanation of similar figures. Discusses how they can be transformed through a sequence of rotations, reflections, translations, and dilations. Explanations are supported with illustrated examples.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Corta en Dos
Try to find the line of symmetry of these 8 figures. If you find it the two figures should coincide.
Cool Math
Coolmath: Coolmath4kids: Tessellations
Tessellations are explained and described at this website. Three basic rules are given for creating tessellations.
Thinkport Education
Math by Design: Transformations/reflections [Pdf]
On a coordinate plane students will identify, describe, and plot the results of transformations with guidance provided by this lesson plan.
Math Planet
Math Planet: Pre Algebra: Quadrilaterals, Polygons and Transformations
Learn about quadrilaterals, polygons, and transformation by taking a look at examples and a video lesson.
Khan Academy
Khan Academy: Similarity and Transformations
In this exercise, students determine whether two polygons are similar. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.
Other
Porcelai Nia: Tessela
Tessellated geometric patterns in art are discussed and illustrated in this resource.