Brush up on your math skills relating to cross-sections then try some practice problems to test your understanding.

Discover how the geometric shape of an object directly relates to its usefullness in this math challenge from the NCTM Math Challenges for Families collection. A one page activity that you can print or download.

In Spanish. In this site you will find different activities involving geometric plane figures.

This interactive activity is designed for the student to review different geometric planes figures.

Students learn about geometry by investigating different shapes and their properties. Topics include plane geometry, drafting tools, transformations, angles, and trigonometry.

[Free Registration/Login Required] In this flipchart, students explore geometric sense by interacting with plane diagrams that create a three-dimensional shape.

You can have a good time with this java applet that lets you place adjustable shapes under a curve and then sums the areas to approximate the area of the curve.

[Free Registration/Login Required] This flipchart discusses plane figures and solid figures.

In this lesson on reviewing fifth-grade geometry concepts, 5th graders learn about the mathematical domain, explain why it is important, and complete a variety of practice problems.

An applet activity that provides an exercise in working with perimeter and area of 2D objects. The user is given a random figure and allowed to enter a value for the area and perimeter. Use the "How" and the "Why" button to assist you....

Practice identifying lines of symmetry on shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...

This teacher's guide from Public Television's Newton's Apple discusses and illustrates the physics principles governing the flight of a frisbee. Includes teacher lesson plans, activity ideas, discussion questions, and information about...

Learn all about triangles with the help of this downloadable mathematics worksheet.

Explore this NOVA: "Battle of the X-Planes" interactive activity to see how engineers have modified a military plane's sound, shape, and heat emissions to minimize detection.

Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

This site includes an interactive math tool to create drawings on isometric dot paper. You can draw figures using edges, faces, or cubes. Rotate and color your drawings, and view them in 3D or 2D.

Learners use the coordinate plane to investigate how reflections affect geometric shapes. Can be used by the student, but is also a great lesson plan idea for teachers.

A definition, examples, and a video lesson all help to explain polygons. [0:43]

More challenging problems involving drawing shapes on the coordinate plane.

Join Otto at the Phantasia construction site. Will you help him build a new playground?

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to look at images and identify ellipses and different types of polygons. Includes video demonstrating a sample problem...

An informative site explaining the attributes of art as well as other art terms.

Students practice interpreting scale models, receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.