This site describes lines and angles "as found in various plane (flat) geometric figures.".

This site describes lines and angles "as found in various plane (flat) geometric figures.".

This site describes lines and angles "as found in various plane (flat) geometric figures.".

So, you're interested in becoming a civil engineer, builder, or landscaper? Then you'll need to sharpen your skills in measuring slope. Try this math challenge where you will discover how to measure the steepness of an incline.

[Free Registration/Login Required] This flipchart discusses plane figures and solid figures. The definitions and lesson sequence are based on Scott Foresman's Grade 4 Math textbook.

[Free Registration/Login may be required to access all resource tools.] In this tutorial, students learn about the rules that operate in the rotation of 2-D figures on a coordinate grid. Includes video, lots of examples, review...

This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 1 of 5 in the series titled "Translations of Geometric Figures."

This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 3 of 5 in the series titled "Translations of Geometric Figures."

In Spanish. In these activities you can develop the concept of trajectory. Try to trace the figures without lifting your pencil.

This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.

This task challenges a students knowledge of 2-dimensional geometrical shapes to sort shapes and to design a shape that has a given set of attributes.

Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.

Students read the clues to determine the shape the clues are describing. If they choose the correct shape a smiley face appears.

These activities will allow students to discover the concepts of geometry through shape exploration and the creation of choreographic sequences.

For this lesson, students will explore self-portraiture by looking at classical portrait paintings, such as Diego Velazquez's La Infanta Margarita or Raphael's Portrait of Baldassare Castiglione. A close look at these works reveals...

Explore the world of Euclidean geometry by understanding euclidean and non-euclidean geometry, the postulates and axioms, and how to apply them while solving problems. Check-out the solved examples for better understanding and try your...

Use triangles and worksheets to guide the learning of triangles to the discovery of the Pythagorean Theorem.

This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.

This task challenges a student to use knowledge of geometrical attributes to identify and describe shapes.

Determine which regular polygons tessellate by using mirrors. Printable lesson.

Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of polygons and tessellations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...

A book about shapes in the world around us. Includes audio narration in 9 additional languages with text in English.

In this series of STEAM activities, students will discover the concepts of geometry through shape exploration and the creation of choreographic sequences. Another activity in this module will allow students to identify shapes by applying...