PBS
Pbs Learning Media: Skate Off: Round One
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.
Beacon Learning Center
Beacon Learning Center: Fence Me In!
Students can practice calculating the perimeter of rectangles in this interactive web lesson.
AAA Math
Aaa Math: Perimeter of a Rectangle
Students are taught how to calculate the perimeter of a parallelogram. Extra practice drill problems are also included.
Math Open Reference
Math Open Reference: Area of a Rectangle
Learn about the area of a rectangle with this helpful reference tool. Provides a detailed definition and interactive activities that enhance further explanation. Includes links to related topics.
Analyze Math
Analyze Math: Rectangle Problems
The geometry tutorial investigates rectangles. Topics included are diagonals, area, and perimeter. The activity has several examples with detailed solutions.
Texas Instruments
Texas Instruments: Maximizing the Area of a Rectangle
This activity is adapted from one of the TI books. Students measure lengths and widths of rectangles and record for the class to see. Each group's rectangle has the same perimeter, but different areas. After a discussion, students make...
Homeschool Math
Homeschool Math: Area of Right Triangles
This lesson presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for students.
Homeschool Math
Homeschool Math: Area of Parallelograms
This lesson presents the idea that the area of any right triangle is exactly half of a certain rectangle, and contains varied exercises for students.
Math Drills
Math Drills: Measurement Worksheets
Download these free worksheets to sharpen your measurement skills. Sheets focus on temperature, conversion, area and perimeter, volume, and more.
CK-12 Foundation
Ck 12: Geometry: Triangles and Quadrilaterals Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews the formulas for area and perimeter of triangles and different kinds of quadrilaterals.
CK-12 Foundation
Ck 12: Geometry: Unknown Dimensions Using Formulas Grade 7
[Free Registration/Login may be required to access all resource tools.] Given a perimeter or area of a figure, use formulas to solve for the unknown or missing dimensions.
University of Cambridge
University of Cambridge: Nrich: Fencing
On this one page website sharpen your logic, area, perimeter, and pattern recognition skills while working on this unique fencing challenge. The solution is available to double check your solution.
Alabama Learning Exchange
Alex: Swimming Pool Math
Students will use a swimming pool example to practice finding perimeter and area of different rectangles.
PBS
Pbs Learning Media: Math + Arts: Dance Space
In this lesson, young scholars students explore locomotor and non-locomotor movement and calculate the area needed to perform the African-American dance Zudio.
University of Texas at Austin
Mathematics Teks Toolkit: Pipe Cleaners
Pipe cleaners are used to create the perimeter of a rectangle in order to explore base and height.
Texas Instruments
Texas Instruments: Building a Better Pet Run
This activity is designed to make students realize that area of a rectangle changes for different widths.
Other
Nearpod: Geometry: Fall Edition
In this lesson, 3rd graders will use multiplication to find the area of a rectangle.
National Council of Teachers of Mathematics
Nctm: Figure This: Patios
Does bigger perimeter mean bigger area? Answer this question when you try this math challenge from the NCTM Math Challenges for Families series. Discover how understanding area and perimeter can be useful in real world situations.
Other
Algebra Lab: Areas and Perimeters of Triangles and Special Quadrilaterals
Learn how to find the areas and perimeters of triangles and special quadrilaterals.
Alabama Learning Exchange
Alex: 'There's Gold in Them There Hills'
Middle schoolers study the important characteristics of quadratic relationships by exploring the area of rectangles with a fixed perimeter. This lesson plan involves tables, graphing and patterns. This Lesson is adapted from a Connected...
Math Open Reference
Math Open Reference: Quadrilaterals
A complete reference guide to quadrilaterals including squares, rectangles, parallelograms, trapezoids, and rhombus. It provides definitions and interactive activities that enhance further explanation.
BBC
Bbc: Bitesize: Maths: 2 D 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.
Calculator Soup
Calculator Soup: Parallelogram Calculator
Calculate certain variables of a parallelogram depending on the inputs provided. Calculations include side lengths, corner angles, diagonals, height, perimeter, and area of parallelograms.
ClassFlow
Class Flow: Geoboards
[Free Registration/Login Required] Geoboards bring challenge into the classroom as the student uses methods to measure length, area, and perimeters of polygons.