Curated OER
Arc of Ball To Make Basket
Students examine the mathematical relationship in scoring a basket. They observe the arc of the ball as it travels to the basket from different points on the floor.
Smithsonian Institution
National Museum of American History: Slates, Slide Rules and Software
Did you learn to calculate using a 7-foot-long slide rule? Did you learn about the properties of numbers using brightly colored Cuisenaire rods? Ever wonder who invented the graph paper you used in geometry class? Go back to the...
CK-12 Foundation
Ck 12: Geometry: Geometric Translations
[Free Registration/Login may be required to access all resource tools.] Recognizing translation transformations also called slides. Students can explore the concept of translations by studying notes, watching a video, looking at...
CK-12 Foundation
Ck 12: Interactive Geometry: 2.2 Translations
Learn how a translation moves or slides an object a fixed distance in a given direction, as defined by a vector.
Better Lesson
Better Lesson: Coordinate Grid and Geometry
Students make connections between the coordinate grid and Geometry by finding the distance of line segments using the coordinate plane. This lesson includes a detailed lesson plan, slides containing notes and problems, and a...
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.
Shodor Education Foundation
Shodor Interactivate: Lesson: Tessellations Geometry and Symmetry
This lesson plan deals with tessellations and their geometric concepts. Upper elementary and middle school learners will also explore polygons, symmetry, analyze patterns and explore the role of mathematics in nature and culture.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Transformations Exercises
Twenty-five problems cover the various transformational geometry topics in different settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Wisc-Online
Wisc Online: Lewis Dot Structures of Covalent Compounds
Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...
Shodor Education Foundation
Shodor Interactivate: Lesson: Translations, Reflections, and Rotations
This upper elementary and middle school lesson plan introduces a variety of motion geometry concepts such as translations, reflections, and rotations. Lots of interactive support for students.
Beacon Learning Center
Beacon Learning Center: Wrapping Paper Patterns
Students explore slides, flips, and turns in this interactive web lesson.
Alabama Learning Exchange
Alex: Tan Ii
The Chinese character mark for Tan II (pronounced she-tow-bah) is the second of two lessons to introduce first grade learners to geometry using tangrams. This instructional activity incorporates history, math, and language arts. In this...
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.
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.
CK-12 Foundation
Ck 12: Plix: Accuracy and Precision
[Free Registration/Login Required] In this interactive you will slide the red dot right to see how well each of the throwers can throw. You will need a sign-in to access this media, but it will be well worth your time!
Oswego City School District
Regents Exam Prep Center: Translations
Explains, with examples, what a translation is. Includes tutorials and practice activities.
Government of Alberta
Learn Alberta: Math Interactives: Exploring Transformations
This multimedia Learn Alberta math resource looks at real world examples of transformations found throughout West Edmonton Mall. The accompanying interactive component asks students to predict transformations through looking at...
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Space
At the Food Market there are a lot of shapes. Help Afia find and name the shapes.
National Council of Teachers of Mathematics
The Math Forum: What Is a Tessellation?
The Math Forum defines and illustrates geometric tessellation.
Math Is Fun
Math Is Fun: Definition of Congruent
Definition of congruent. Choose the "here's more" link to see examples of a rotation, reflection and translation.
Wolfram Research
Wolfram Math World: Semiregular Tessellations
This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.
Math Cats
Math Cats: Visit Tessellation Town on Tile Island!
Go to Tessellation Town on Tile Island and create a variety of tessellations.
University of Cambridge
University of Cambridge: Nrich: Building Stars
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.