A complete reference guide to coordinate geometry. It provides definitions and examples that enhance further explanation. Includes links to related topics.

Download these worksheets to sharpen your geometry skills. Sheets focus on angles, coordinate geometry, triangles, quadrilaterals, transformations, and three-dimensional geometry, and more.

Students are able to manipulate a parallelogram on a coordinate grid to explore properties of a parallelogram and then calculate the distance of the sides, altitude, and area. The resource also includes links to further explain important...

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...

In a coordinate proof, geometric statements using algebra and the coordinate plane.

A unique geometry project that asks students to complete a transformation using a picture. Project includes instructions, examples, and quiz questions.

[Free Registration/Login may be required to access all resource tools.] Transformations move and modify geometric shapes. There are several types of transformations that all transform figures in different ways. These transformations can...

[Free Registration/Login may be required to access all resource tools.] This study guide reviews the terminology for circles (tangent, arcs, central angles) and the equation for a circle.

This robust lesson plan for upper elementary and middle school grades introduces the concepts for lines, rays, line segments, and planes. Resources are linked to it and ready for your use.

Choose from three different practice exams that cover all Integrated Algebra topics reviewed in the Regents Exam Prep Center website: number theory, operation, variables, expressions, equations, inequalities, patterns, functions,...

Figure out the coordinates of a point between two other points that give a certain ratio. For example, find a point C so that it is two thirds of the way between point A and B.

Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...

A Java applet displays the Ligand Field Theory energy diagram for the Tetraamminecopper(II) ion. When an orbital in the diagram is clicked on, the isosurface is shown.

A Java applet displays the Ligand Field Theory energy diagram for the Diamminesilver(I) ion. When an orbital in the diagram is clicked on, the isosurface is shown.

A complete reference guide to horizontal lines. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Learn about line segments with this useful reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

A complete reference guide to finding the intercept of a line. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

This site gives some examples of line reflection transformations. Includes coordinate graphs to show reflections of lines and shapes.

Learn about planes with this useful reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.

An introduction to the Konigsberg Bridge problem and its relationship to network theory.