The purpose of this lesson plan is to help students apply math concepts concerning similar triangles and trigonometric functions to real life situations. The students learn how to take these concepts and use them to find measurements of...

On this interactive site, students learn to identify squares, circles, and triangles.

Students will explore symmetry through a variety of learning games.

geometry

[Free Registration/Login Required] This flipchart helps students to analyze and compare various two-dimensional shapes according to the vertices, sides and parallel lines. It features "containers" created in Version 3 (can be used with...

Given a figure on the coordinate plane and the definition of a rotation about the origin, draw the image of that rotation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...

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.

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...

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.

Kyan is an African villager. Can you help him name and define different parts of shapes?

Abeni works at the pyramids. Visit her and find out more about circles and triangles.

Given two figures on the coordinate plane, find the formal definition of the reflection that takes one figure to another. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...

Given a figure on the coordinate plane and a center of a rotation, find the angle for the rotation that maps one figure to the other. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

Assess learning of polygons and perimeters with this interactive multiple choice practice and quiz activity. Click the question mark for hints.

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

Practice combining shapes to make other shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login Required] Students are given an Isosceles triangle and are asked to move the point on the line segment to explore how the angle measure changes. Click learn more to watch a video demonstration and click challenge...

[Free Registration/Login Required] Students will move the vertices of the quadrilateral to form the congruent quadrilateral. Click learn more to watch a video and click challenge me to answer a practice question.