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Curated Video
Possible Side Lengths
“Possible Side Lengths” demonstrates how to solve a real-world problem by finding possible side lengths for a rectangle with a given perimeter.
Curated Video
Farm Fence (Solve word problems to find the perimeter of a rectangular shape)
Jamal has a farm of a rectangular shape. Its length is 60 yards and its width is 40 yards. He wants to build a fence around the whole farm. He will use a robe that goes around the whole farm. How long should the robe be?
Curated Video
School Windows (Solve word problems to find the unknown side given the perimeter of a rectangular shape)
The school is building additional rectangular windows in classrooms. The perimeter of each window is 24 feet. If you know that the length of the window is 8 feet. What is its width?
Brian McLogan
How do we find the area of a octagon (side lengths are not correct)
👉 Learn how to find the area and perimeter of polygons. A polygon is a closed shape with 3 or more sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the...
Curated Video
Solving Systems of Non-Linear Equations Using Perimeter and Area Formulas
In this video, the teacher explains how to write and solve systems of non-linear equations using parameter and area formulas and substitution. The examples given involve finding the dimensions of rectangular cornfields based on given...
Curated Video
Analyzing the Formula for a Rectangle's Perimeter Using the Associative Property
In this video, students explore different ways to view the formula as a single entity by grouping the lengths and widths. By understanding the associative property, students can simplify the formula and find the perimeter of any...
Curated Video
Finding the Missing Length of a Rectangle Using the Perimeter Formula
In this video, the teacher explains how to determine the missing length of a rectangle by applying the perimeter formula. They give examples and guide the viewers through the steps using variables and equations.
Curated OER
How Do You Solve a Formula For a Variable?
Given a formula, move the terms around to isolate a given variable. In this problem using the formula for perimeter, use the subtraction property of equality, and the division property of equality to move the terms from one side of the...
Curated OER
How Do You Find the Perimeter of a Rectangle?
The teacher illustrates a diagram to help you learn about perimeter. First she adds the sides together to get the perimeter. Then she shows how to use the perimeter formula to make it a bit simpler.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving for a Variable
The video resource [6:58] shows worked examples of algebra concepts. Students watch a detailed problem on how to solve for a variable of the perimeter formula.
Sophia Learning
Sophia: Calculating the Perimeter of a Rectangle
This video tutorial explores perimeter of rectangles. The lesson shows how to use the perimeter formula. [2:56] Students can check their understanding with an assessment.
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.
Loyola University Chicago
Math Flix: Area & Perimeter Writing Rectangle Riddles
This QuickTime movie explains how to write a rectangle riddle that uses the area and perimeter. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.