University of Georgia
University of Georgia: Transformations: Revisiting Congruence
This site presents information on the three basic transformations of figures in a plane: Reflections, Rotations, and Translations.
Rice University
Rice University: Cynthia Lanius: Polyominoes Fun With Dominoes
For students who have ever played dominoes and Tetris, polyominoes will strike them as a great deal of fun. Teachers will see the educational benefits of working with similar and congruent shapes and rotating them in a plane. Exploration...
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.
Other
Xah Lee: Some Theorems on Rotation and Translation
This site is for the purpose of using proofs for geometry. It helps by giving some useful theorems.
University of Cambridge
University of Cambridge: Nrich: Transformation Tease
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
Other
Hstry: Transformations
A unique geometry project that asks students to complete a transformation using a picture. Project includes instructions, examples, and quiz questions.
CK-12 Foundation
Ck 12: Geometry: Rigid Transformations
[Free Registration/Login may be required to access all resource tools.] Identify different types of transformations.
Math Is Fun
Math Is Fun: Nature, the Golden Ratio, and Fibonacci, Too
Looks at how spirals form in nature when cells reproduce in a flower, for example. An interactive lets students try entering different values to see if they can make a spiral pattern with no gaps. The correct figure would be the Golden...
University of Cambridge
University of Cambridge: Nrich: Tessellating Triangles
The challenge at this one page website, involves tessellation and triangle. Should you accept this challenge, you will find helpful teacher notes and the solution available right at the website.
Curated OER
Diamond
Gives information on the different kinds of symmetry operations, including mirror planes, rotational axes, and rotoinversion axes.
Curated OER
Egg on Table
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.
Curated OER
Egg With Needle
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.
Curated OER
Sliced Egg
An interactive page offering a view of a rotating egg, information on rotational symmetry, and definitions of related topics.
ClassFlow
Class Flow: Tesselations
[Free Registration/Login Required] This is a visual instruction of tessellations. It displays a variety of tessellations throughout the world and in different cultures.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: The Center of Mass
This site from the Illinois Institute of Technology provides a lab activity in which young scholars determine the location of the center of mass of an irregularly shaped object. Observations are related to the balancing point of the...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Center of Gravity Lab
This Illinois Institute of Technologysite provides a lab activity in which students find the center of gravity of a box which has nonuniform weight distribution. Complete with directions and discussion questions; answers provided.
University of Cambridge
University of Cambridge: Nrich: Shapely Tiling
On this one page interactive website expand your logic, Motion Geometry and pattern recognition knowledge while working on this challenge. The solution is available to double check your solution.
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