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.

This tutorial features an explanation of endpoints.

This tutorial provides an explanation of line segments.

This website gives a very brief explanation and example of rays.

This very basic website gives a clear, simple explanation of what a right angle is.

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.

This very basic website gives a clear, simple explanation of what an acute angle is.

This site gives the definition of acute triangles.

This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.

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.

Remove four matches to the center of the square then repositions the other matches in such a way that the sum of them on each side is 11.

Use this website to help you hone your critical thinking and math-problem solving skills. Learn what "Negation," is and how it applies when you are working on mathematical problems and sentences.

A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...

Do people with big hands have larger angles between their fingers? See if you can find the answer this question when you try this math challenge on estimating and measuring angles. Discover how understanding angles and geometric shapes...

[Free Registration/Login Required] This is a review lesson for the Georgia CRCT covering math. It includes solving word problems and basic geometry.

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.

Is seeing believing? Explore visualizing and spatial reasoning with three dimensional shapes in this challenge from the NCTM Math Challenge for Families collection. Discover why visualization is essential skill in real world situations.

Use this internet lesson to explore different types of symmetry in nature. Learners examine line symmetry, rotational symmetry, and bilateral symmetry. An integrated math, language art, and art lesson. Acrobat Reader required.

Test your mathematical aptitude with challenge exploring the concepts of measurement and geometry. Find the area of the windshield wipers to figure out who sees better in the rain, car drivers or truck drivers. An activity from the NCTM...

Is it better to by block ice or crushed ice? Use your logical reasoning and measurement skills to solve this challenge that compares surface area of block ice and the same block cut into three cubes. A one page activity from the NCTM...

Explore tessellations with real world applications in this activity from the NCTM Math Challenges for Families series. Figure out what shape you would use to create a legal envelope from a single sheet of paper. Then discover how...

[Free Registration/Login Required] This is a short activity designed as a starter for math class. Students are asked to match a shape to its name. Hints are provided that define each shape.

In this exercise, students practice graphing points. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Increase students' skills and knowledge of rotation and transformation at this test prep site. Includes lessons pages, practice questions with interactive answers, and a teacher resource page.