Investigate how changes in the base and height of a trapezoid affect its area.

Try to figure out the area of this challenging shape. In order to view the images, you will need to use JavaSketchpad.

Learn about the properties of 2-D shapes: circles, triangles, polygons, and quadrilaterals. Includes information, video, and examples about each, with games and quizzes for reinforcement.

Practice identifying circles, triangles, squares, rectangles, rhombuses, trapezoids, and hexagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to match a given shape with those that are equivalent or the same type. Includes video demonstrating a sample problem...

Sixth graders take their knowledge about area of rectangles, squares and triangles and apply it to parallelograms, trapezoids, and composite shapes.

The challenge at this one page website, is to see how many trapezoids (British-trapeziums) you can find in the figure. When you have your results, you can easily check it right at the website.

Print out these colorfully illustrated PDF file pages to practice learning your basic two dimensional geometric shapes. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...

[Free Registration/Login Required] This flipchart provides a review of circle, rectangle, square, triangle, and hexagon and introduces trapezoid and rhombus. Students are asked to identify the number of sides and the number of corners of...

[Free Registration/Login Required] This flipchart is a small lesson for 2nd grade math-geometry. Once students have been introduced to the key vocabulary terms in geometry, the teacher can reinforce those shapes, terms, and some...

Activity provides students the practice they need to master the skill of identifying shapes. Immediate feedback is given.

Activity provides students the practice they need to master the skill of identifying shapes. Immediate feedback is given.

Activity provides students the practice they need to master the skill of identifying shapes. Immediate feedback is given.

[Free Registration/Login Required] This lesson is an in depth review of finding many shapes, their properties, and reinforcing first flipchart- Braun.

Are you looking for a very basic website that will explain the basic properties of a quadrilateral? Use this site to learn about the properties of a square, rhombus, rectangle, parallelogram, trapezoid, and kite. There are also some...

[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...

[Free Registration/Login may be required to access all resource tools.] Cursor down if needed to locate the video "Visually Identifying Quadrilaterals (Trapezoids, Parallelograms, Rectangles, Squares, Rhombi)." Students watch a video and...

[Free Registration/Login Required] This creative and engaging flipchart explains the area of all kinds of shapes, to include squares, parallelograms, rectangles, triangle, and trapezoids.

In this set of worksheet activities, students will be guided to discover formulas for area of polygonal shapes and circles.

An interesting technique is used for student viewers to learn about quadrilaterals. A viewer can meet the quadrilateral family by clicking on a link and characters will introduce themselves and tell you about their distinguishing...

Explore different polygons and find their perimeter with this interactive lesson from T.V.411. Students see examples of polygons in everyday life and have immediate feedback to your responses to lesson questions.

A lesson focusing on the area of polygons and the circumference of circles. Engaging, interactive practice worksheet, lesson plan, and related classroom activity complete this lesson.

In this video segment from Cyberchase, Bianca injures her ankle while skateboarding and is confined to her bed. She has trouble reaching a few objects from her bed until her friend gives her a device made up of collapsible...

Find a quick, concise explanation of area and the formulas for different shapes. An example is given to help you understand how find the area of a shape. The area formulas are listed for different types of shapes.