This activity is designed to make students realize that area of a rectangle changes for different widths.

Students explore the nature of triangles and their area. An applet and instructor resources are included. [Requires Java.]

An applet activity that provides an exercise in working with perimeter and area of 2D objects. The user is given a random figure and allowed to enter a value for the area and perimeter. Use the "How" and the "Why" button to assist you....

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...

Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...

In this activity, students will identify and record ordered pairs from a coordinate plane. They will examine symmetry about the axes, reflections, and symmetry in nature. They understand geometric concepts like area and perimeter, and...

This activity has students find patterns in the areas and perimeters of a given series of figures. Students' then use graphing calculators to graph the values and to find linear and quadratic functions to describe the patterns.

Students use the Geoboard App to measure arcs, line segments, area, and perimeter, as well as rotate, reflect, and translate objects.

In this activity, students find the area and the perimeter for several geometric shapes. They also determine the surface area and volume of spheres.

In Spanish. Interactive resources and activities that could be used in the classroom either as an introduction or review to a unit dealing with area and perimeter of quadrilaterals.

A complete reference guide to types of triangles and triangle perimeter and area. It provides definitions and interactive animated activities that enhance further explanation.

This mathematical project incorporates activities on area, perimeter, distance, climate, and population. The project could also integrate other subjects such as Social Studies and Language Arts.

[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary learners. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...

Complete reference source for information on ellipses. Provides definitions and interactive activities that will enhance further explanation.

Four worksheets are linked which deal with area and perimeter of shapes constructed on the Geoboard. Additionally, a link is given to an online Geoboard so students may play with the model on their own.

This is a site for geometry lovers. Chock-full of puzzles, games, interesting geometry facts, and online activities.

In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...

In Spanish. Interactive activities dealing with the definition, angles and area of a polygon.

A complete reference guide to quadrilaterals including squares, rectangles, parallelograms, trapezoids, and rhombus. It provides definitions and interactive activities that enhance further explanation.

K-5 Math Teaching Resources: Rectangles learning activity that applies skills to create rectangles.

These interactive activities are designed to examine the mathematical concepts of area, perimeter, surface area and volume. These activities may be used to develop students' understanding of these mathematical concepts.

These interactive activities are designed to examine the mathematical concepts of length, perimeter, and area. These activities may be used to develop students' understanding of these mathematical concepts.