[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.

[Free Registration/Login may be required to access all resource tools.] The video briefly shows and describes a triangle, circle, rectangle, and square and uses process of elimination to determine the given shape. The video is followed...

[Free Registration/Login may be required to access all resource tools.] The video discusses a brief overview of circles, rectangles, squares, and triangles and helps students determine which shape is shown and why. The video is followed...

[Free Registration/Login may be required to access all resource tools.] The video displays a set of figures and reviews triangles by number of sides. Then all of the triangles out of the set of figures are chosen. The video is followed...

Eighth graders are presented with a drawing of a large square inscribed by a circle which is itself inscribed by a second square. They are asked to find the area of the circle outside the smaller square and compare it to the area of the...

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

The geometry resource investigates the area of polygons, triangles, circles, and squares. Formulas and examples are included.

[Free Registration/Login Required] This flipchart is designed for an early childhood classroom and focuses on circles, squares, rectangles, and triangles. Opportunities provided for student participation include drawing plane shapes,...

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

Calculate the Area of a Trapezoid This Concept Handheld Software Application reviews the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.

[Free Registration/Login Required] Flipchart identifies and draws circles, squares, triangles, ovals (ellipses), and rectangles. Flipchart identifies spheres, cubes, cylinders, and cones of various sizes, in various orientations and...

This module features a lesson plan for shapes. Teachers of thie instructional activity will engage their students in a game that requires the use of balance, movement, and "shape" mathematical concepts.

This resource provides a practice geometry quiz for students to use.

A book about the shapes around us. Includes audio narration in 17 additional languages with text in English.

Students are challenged to identify squares, triangles, and circles in this engaging learning activity.

Find the areas of shaded regions which are combinations of squares, triangles, and circles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

The introductory pages introduce the shapes and their attributes: triangle, rectangle, square, rhombus, circle, and oval. The additional pages allow students to practice shape recognition, tracing shapes, and drawing shapes.

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.

Students review the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.

This tutorial provides a brief introduction about what area is, then gives the formulas for area of a square, rectangle, parallelogram, trapezoid, triangle, and circle. Examples of each formula are provided.

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

In this lesson, students learn to inscribe regular polygons inside a circle.

We are learning about how shape attributes helps us to see how shapes are alike and different. This site provides four resources for shapes including 3-D.

[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...