National Council of Teachers of Mathematics
Nctm: Illuminations: Igd: Area of a Parallelogram
This applet will show you how to divide the parallelogram into pieces, arrange them together to form a rectangle, and then use the formula for the area of a rectangle to find the area of the parallelogram.
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rectangles
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the area and perimeter of rectangles and squares. Students examine guided notes, review guided practice, watch instructional...
Better Lesson
Better Lesson: Finding the Area of a Rectangle
Sixth graders use the area formula for rectangles to solve real world and mathematical problems.
AAA Math
Aaa Math: Perimeter of a Square
Students are taught how to calculate the perimeter of a square. Extra practice drill problems are also included.
CK-12 Foundation
Ck 12: Elem Math: Perimeter of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on finding the perimeter of rectangles and squares.
Shodor Education Foundation
Shodor Interactivate: Perimeter Explorer
Use this applet to find the perimeter of a variety of shapes with the same or different areas.
Khan Academy
Khan Academy: Area & Perimeter of Rectangles Word Problems
Find the missing side length of a rectangle when given its perimeter or area. Compare perimeters and areas of rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Government of Alberta
Learn Alberta: Math Interactives: Exploring Area and Perimeter
This multimedia Learn Alberta math resource looks at area and perimeter and how math is involved in the operations of a ranch. The accompanying interactive component lets students investigate a variety of rectangles to get a target...
Fun Brain
Fun Brain: Shape Surveyor (Area and Perimeter of Rectangles)
Players are given the lengths of two sides of a series of rectangles and must calculate the area or perimeter of each rectangle.
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.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 2
This task is a natural follow up for task Rectangle Perimeter 1. After thinking about and using one specific expression for the perimeter of a rectangle, they now extend their thinking to equivalent expressions for the same quantity....
CK-12 Foundation
Ck 12: Elem Math: Area and Perimeter of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on the area and perimeter of rectanlges and squares.
Illustrative Mathematics
Illustrative Mathematics: 6.ee Rectangle Perimeter 1
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Other
Nearpod: Perimeters of Polygons
For this lesson on finding the perimeter of rectangles, 3rd graders learn key vocabulary, explore grid paper, and apply their learning to a real-world situation.
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rectangles
[Free Registration/Login may be required to access all resource tools.] In this lesson, students find the perimeter and area of squares and rectangles by using formulas. Students examine guided notes, review guided practice, watch...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Area Builder
Create shapes using colorful blocks, and explore the relationship between perimeter and area. CCSS.Math.Content.3.MD.C.7.a Find the area of a rectangle with whole-number side lengths by tiling it
PBS
Pbs Learning Media: Kid Vid: Scaling Up Rectangles
Watch a student think through a problem about how the area of a rectangle changes when both sides are increased by the same scale factor and use online tools to demonstrate understanding of concepts related to area and scale factors in...
CK-12 Foundation
Ck 12: Area and Perimeter of Rectanlges
[Free Registration/Login Required] Students are given the base and height of a rectangle and are to determine the area and perimeter.
Khan Academy
Khan Academy: Find Perimeter by Counting Unit Squares
Calculate the perimeter of a rectangle from its side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Practice: Area & Perimeter of Rectangles Word Problems
Word problems are provided for practice with area & perimeter of rectangles. Immediate feedback is given and hints or a video are available if needed.
Alabama Learning Exchange
Alex: Learning From Limbo
Using a limbo set, students will participate in learning about perimeter and area of a rectangle. Students will explore how the area and perimeter changes as the limbo pole is lowered. This lesson plan was created by exemplary Alabama...
Education Development Center
Tune in to Learning: Polygons and Perimeter
Explore different polygons and find their perimeter with this interactive lesson from T.V.411. Students see examples of polygons in everyday life and have immediate feedback to your responses to lesson questions.
Shodor Education Foundation
Shodor Interactivate: Lesson: Perimeter
This lesson plan helps students explore the mathematical concept of perimeter. Resources are available to support teacher and students.