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...
Texas Instruments
Texas Instruments: Rotations in the Plane With Cabri Jr.
A rotation is a transformation that turns a figure a certain number of degrees about a certain point. This activity explores the properties of rotations and the relationships between the original and image figures.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Lab Activity: Tops
The Illinois Institute of Technology provides a lab activity on precession and spinning tops. Designed for primary grades, but easily adapted for any level. Includes directions and assessment ideas.
Exploratorium
Exploratorium: Gyroscope
Description of a museum exhibit in which the forces exerted by two gyroscope wheels are analyzed. Excellent demonstration idea.
Other
Glenn Turner: Gyroscope Math Page
The mathematics associated with gyroscopes can be investigated through this interactive page. Users enter critical parameters about gyroscopes and rotational motion descriptors are given.
Other
P.u.e.m.a.c.: Galeria De Transformaciones
Enjoy constructions created by rotations, reflections and translations. [Requires Java.]
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.
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.
CK-12 Foundation
Ck 12: Geometry: Rotations
[Free Registration/Login may be required to access all resource tools.] Recognizing and identifying rotation transformations and rotational symmetry
Khan Academy
Khan Academy: Intro to Rotations
Explains how to perform a rotation using an interactive tool and presents problems to try. Includes a video example. [1:25] Hints are available for the problems.
Other
Precession of a Gyroscope and of the Earth's Axis
Describes and calculates the precession of a gyroscope and also discusses the precession of the Earth's axis. Includes several pictures, diagrams, formulas, and details.
CK-12 Foundation
Ck 12: Rotations: Line Design
[Free Registration/Login Required] Students will explore how to determine the coordinates of a rotated figure by adjusting the points on the line. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Geometry: Transformation Classification
[Free Registration/Login may be required to access all resource tools.] Identify and describe transformations in the coordinate plane.
CK-12 Foundation
Ck 12: Geometry: Translation, Rotations, and Reflections
[Free Registration/Login may be required to access all resource tools.] Translate, rotate, and reflect figures using coordinate notation and graphing in the coordinate plane.
Annenberg Foundation
Annenberg Learner: Shadows
Can you judge an object by its shadow? Use your mental rotation skills to determine if a shadow can be produced by a particular shape.
National Council of Teachers of Mathematics
The Math Forum: Regular Tessellations
This site contains a lesson plan on tessellations. There is a link to the NCTM standards that fit this lesson and a link to an applet that is useful to both teacher and student.
Oswego City School District
Regents Exam Prep Center: Transformations: Rotation
Increase students' skills and knowledge of rotation and transformation at this test prep site. Includes lessons pages, practice questions with interactive answers, and a teacher resource page.
National Council of Teachers of Mathematics
The Math Forum: Analytic Geometry: Polar Coordinates
This site from The Math Forum provides great information on polar coordinates. You can access this information either by clicking on the coordinates link or just scrolling down, it is the first one listed on the page. Includes several...
Illustrative Mathematics
Illustrative Mathematics: A Ced.2 and G Gmd.4: Global Positioning System I
This question examines the algebraic equations for three different spheres. The intersections of each pair of spheres are then studied, both using the equations and thinking about the geometry of the spheres. Aligns with A-CED.A.2 and...
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...
CK-12 Foundation
Ck 12: Geometry: Rotations
[Free Registration/Login may be required to access all resource tools.] This concept teaches students what rotations are and how to find the coordinates of rotated figures.
Common Core Sheets
Common Core Sheets: Geometry 8.g.3 Worksheets: Coordinate Plane
Worksheets provide practice with finding the area or circumference of a circle and answer keys are provided. You can even create your own worksheet or flashcards.
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.