Math Antics
Perimeter
Discover the distance all the way around. The video introduces the concept of the perimeter of a figure. An explanation shows how to find the perimeter of a variety of polygons along with regular polygons. The presentation...
Khan Academy
Khan Academy: Geometry: Area and Perimeter
Explains how to calculate the area of rectangles, squares, and triangles, in addition to the perimeter of rectangles and squares. Practice problems available. [12:20]
CK-12 Foundation
Ck 12: Elem Math: Overview of Perimeter
[Free Registration/Login may be required to access all resource tools.] The video defines perimeter and uses a grid to count the perimeter of given shapes, followed by an example of adding the sides to find the perimeter.
Math Mammoth
Math Mammoth: Area and Perimeter Problems: Rectangular Shapes
Demonstrates how to solve problems where one is asked to determine the area and perimeter of rectangles or to draw rectangles with given measurements. [9:39]
Math Playground
Math Playground: Can Shapes With the Same Area Have Different Perimeters?
This video answers the question about the relationship between area and perimeter. Can shapes with the same area have different perimeters?
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the area and perimeter of squares and rectangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter of Rectangle
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area and perimeter of a rectangle.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter of Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area and perimeter of squares.
Khan Academy
Khan Academy: Geometry: Perimeter of a Polygon
Shows how to find the perimeter of a parallelogram. [1:20]
Khan Academy
Khan Academy: Finding Missing Side Length When Given Perimeter
Demonstrates how to use a known perimeter to calculate the missing length of a side of a polygon. [4:54]
Khan Academy
Khan Academy: Finding Perimeter When a Side Length Is Missing
Demonstrates how to find the perimeter of a polygon when a side length is missing. [3:31]
Imagine Learning Classroom
Learn Zillion: Find the Perimeter of a Square or Rectangle by Adding Side Lengths
In this lesson, you will learn how to find the perimeter of a square or rectangle by adding the side lengths. [3:14]
Khan Academy
Khan Academy: Geometry: Perimeter and Area of a Non Standard Polygon
Explains how to find the perimeter and area of a non-standard, or irregular polygon. [3:03] CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Khan Academy
Khan Academy: Perimeter and Area: Perimeter and Area Basics
This video describes how to calculate area and perimeter of rectangles and squares.
Loyola University Chicago
Math Flix: Area & Perimeter Rectangle Riddles Intro
This QuickTime movie compares the area and perimeter of rectangles. The formula for perimeter is explained. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Khan Academy
Khan Academy: Decomposing Shapes to Find Area: Subtract
Demonstrates how to find the area of a rectangular shape enclosed by another rectangle and with a third one inside it. [3:12]
Khan Academy
Khan Academy: Area & Perimeter Word Problem: Dog Pen
Sal figures out the width of a dog pen.
Khan Academy
Khan Academy: Perimeter Word Problem: Tables
Lindsay solves a perimeter word problem that involves combining two perimeters.
Khan Academy
Khan Academy: Perimeter Word Problem: Skating Rink
Solve a word problem involving perimeter of a rectangle.
Khan Academy
Khan Academy: Perimeter: Introduction
Perimeter is the distance around the edge of a shape. Learn how to find the perimeter by adding up the side lengths of various shapes
Khan Academy
Khan Academy: Finding Perimeter When a Side Length Is Missing
Lindsay finds the perimeter of a figure when a side length is not given.
Khan Academy
Khan Academy: Finding Missing Side Length When Given Perimeter
Lindsay finds missing side lengths on polygons when given all other side lengths and the perimeter.
Khan Academy
Khan Academy: Comparing Areas and Perimeters of Rectangles
Sal compares the areas and perimeters of rectangles to a given rectangle.