Illustrative Mathematics
Illustrative Mathematics: G Co Seven Circles Ii
In this task, seven pennies are placed in a circle so that they are all touching one in the center and their neighbors. Students are asked to find as many rigid motions of the plane as they can which are symmetries of this configuration...
Illustrative Mathematics
Illustrative Mathematics: G Gpe Slopes and Circles
The purpose of this task is to lead students through an algebraic approach to a well-known result from classical geometry, namely, that a point X is on the circle of diameter AB whenever angle AXB is a right angle. This consists of...
![Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: The Geometry of Quilts [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: The Geometry of Quilts [Pdf] Activity")
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center Real World Investigation: The Geometry of Quilts [Pdf]
Investigating designs and shapes in quilts around the world is the activity in this internet exploration. Learners will also design their own quilt on paper or on the computer. Acrobat Reader required.
Other
Ohio Resource Center: Shadows
This applet helps pupils visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...
Math Words
Math words.com: Rotation
A basic definition of what rotation is at this site from MathWords.com. Provides a diagram to illustrate the concept. Links to other related concepts included.
Oswego City School District
Regents Exam Prep Center: Practice With Solids
Quiz your knowledge of three-dimensional figures, specifically volume and surface area, with this sixteen-question practice exercise.
Oswego City School District
Regents Exam Prep Center: Platonic Solids
Did you know that the five regular platonic solids (tetrahedron, octahedron, icosahedron, cube, and dodecahedron) were thought to represent earth, air, fire, water, and the universe? This chart shows an image and provides a description...
Oswego City School District
Regents Exam Prep Center: Cylinders
What is a cylinder? Find a definition, example images, and formulas for determining the volume and surface area of a cylinder if given the radius of the base and the height.
Oswego City School District
Regents Exam Prep Center: Pyramids
What is a pyramid? Find a definition, example images, and formulas for finding the volume and surface area of a pyramid if given base and height measurements. Includes a very brief look at a pyramid in Egypt and its measurements.
Oswego City School District
Regents Exam Prep Center: Working With Distance (Length)
A seven-question quiz in which you'll answer questions about distance. You'll need to know how to find distance between points on a coordinate plane.
Oswego City School District
Regents Exam Prep Center: Prisms
What is a prism? Find a good definition and several example images, as well as formulas for finding the volume and surface area of a prism given measurements of its base and height.
Oswego City School District
Regents Exam Prep Center: Polyhedra
View and learn about five different polyhedra: tetrahedron, octahedron, icosahedron, hexahedron, and dodecahedron. Learn what Euler's Polyhedra Theorem is, and see examples of non-polyhedra as well.
Oswego City School District
Regents Exam Prep Center: Length of a Line Segment (Distance)
Use the coordinate plane and Pythagorean theorem to determine the length of a line segment. Click on the "Topic Index" to find a related practice exercise and teacher resource.
Oswego City School District
Regents Exam Prep Center: Organizing and Venn Diagrams With Congruent Triangles
As a resource for teachers, an activity of how to connect Venn Diagrams with the five methods of proving triangles congruent - SSS, SAS, ASA, AAS, HL - is explained.
Oswego City School District
Regents Exam Prep Center: Styles of Proof
Find out the general form for two column proofs, flow proofs, and paragraph proofs here. The site is very brief and discusses each type of proof using the same example.
Oswego City School District
Regents Exam Prep Center: Bisect a Line Segment and an Angle
This step-by-step tutorial teaches students how to construct a bisector of a segment and the bisector of an angle.
Oswego City School District
Regents Exam Prep Center: Copy a Line Segment and an Angle
This site provides a step-by-step method to construct congruent segments and angles with a straight edge and compass.
Oswego City School District
Regents Test Prep Center Perpendiculars
This step-by-step method teaches students to construct a perpendicular to a line through a point on--or off--the initial line using compass and straight edge.
Oswego City School District
Regents Exam Prep Center: Intuitive Notion of Point Symmetry
This intuitive explanation shows how to determine if an object has point symmetry. The site offers examples of objects with point symmetry.
Oswego City School District
Regents Exam Prep Center: Working With Point Symmetry
Fun graphics and realistic problems in point symmetry for students to solve and check.
Oswego City School District
Regents Exam Prep Center: Quadrilateral Family
Regents Prep displays and explains the different types of quadrilaterals.
Oswego City School District
Regents Exam Prep Center: Photo Activity for Symmetry
This activity has instructions for making symmetrical portraits of the human face using a digital photograph. It's an activity students of all ages would enjoy.
Oswego City School District
Regents Exam Prep Center: Practice With Applied Solids
A seven-question quiz will help you practice answering questions dealing with the volume and area of solids.
Oswego City School District
Regents Exam Prep Center: Spheres
What is a sphere? Find a definition, example images, and formulas to help you determine volume and surface area given the radius.