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Khan Academy

Khan Academy: Find Perimeter When Given Side Lengths

For Students 3rd - 5th Standards
In this exercise, students practice finding perimeter when given side lengths. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly. CCSS.Math.Content.3.MD.D.8 Solve real world and...
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Area and Perimeter

For Students 6th - 8th
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...
Unit Plan
Discovery Education

Discovery Education: Web Math: Find Out Things About a Rectangle

For Students 9th - 10th
WebMath offers a good, basic site for students to practice working with the area and perimeter of a rectangle.
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McGraw Hill

Glencoe: Self Check Quizzes 1 Perimeter

For Students 3rd - 5th
Use Glencoe's randomly generated self-checking quiz to test your knowledge of how to find the perimeter of various shapes. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Website
Primary Resources

Primary Resources: Area and Perimeter

For Teachers 3rd - 5th Standards
Teachers, here are many helpful resources for teaching area and perimeter. Find worksheets, PowerPoint presentations, smartboard presentations, and presentations to aide in the teaching of area and perimeter.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Perimeter of Squares and Rectangles

For Students 3rd - 5th Standards
[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.
eBook
AAA Math

Aaa Math: Circumference of a Circle

For Students 9th - 10th Standards
Calculating the circumference or perimeter of a circle has gotten easier with this formula and practice for finding the circumference.
Lesson Plan
Other

Nearpod: Perimeters of Polygons

For Teachers 3rd Standards
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.
Activity
Discovery Education

Discovery Education: Web Math: Find Out Things About a Right Triangle

For Students 9th - 10th Standards
Gives basic info about a right triangle. Also students can substitute values for sides or angles in order to find missing values. The method for solving is then explained.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Given the Area Find the Side Length and Perimeter Squares

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter and side length of a square when given the area of a square....
Activity
Education Development Center

Tune in to Learning: Polygons and Perimeter

For Students 3rd - 5th Standards
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.
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Khan Academy

Khan Academy: Area and Perimeter on the Coordinate Plane

For Students 9th - 10th Standards
Find the area or perimeter of shapes like triangles, rectangles, parallelograms, and hexagons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Perimeter in Grid

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter of a shape using a grid.
Unit Plan
Khan Academy

Khan Academy: Area and Perimeter on the Coordinate Plane

For Students 5th - 7th Standards
Find the area and perimeter of quadrilaterals using their coordinates. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Area and Perimeter of Rectangles

For Students 6th - 8th Standards
[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...
Lesson Plan
Alabama Learning Exchange

Alex: Swimming Pool Math

For Teachers 9th - 10th Standards
Students will use a swimming pool example to practice finding perimeter and area of different rectangles.
Activity
National Council of Teachers of Mathematics

The Math Forum: Seventh Grade Math: Area and Perimeter

For Students 6th - 8th
Learn how to enlarge drawings, figure out how much tile to buy to cover a specific floor, and learn about area and perimeter. These and other lesson plans are provided, including a fun interdisciplinary plan featuring dragons.
Activity
AAA Math

Aaa Math: Perimeter of a Square

For Students 3rd - 5th Standards
Students can practice finding the perimeter of squares through the self-check exercises and timed learning games provided on this site.
Activity
Maths Challenge

Maths challenge.net: Running Requirements

For Students 9th - 10th
A "two star" problem, requiring some knowledge of calculating circumferences and use problem solving skills to solve. Solver will find upper and lower bounds in the problem.
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University of Waterloo (Canada)

University of Waterloo: Cemc: Math Circles: 3 D Geometry Ii [Pdf]

For Teachers 9th - 10th Standards
This worksheet provides a variety of 3D geometry questions requiring higher order thinking skills. Questions include; finding the surface area of a prism, surface area of pyramid, surface area of a sphere, and platonic solids.
Website
National Council of Teachers of Mathematics

The Math Forum: Perimeter of an Oval

For Students 9th - 10th
What seemingly ought to be straghtforward is not always the case. Dr. Math, in reply to a class question, points this out when discussing how to find the perimeter of an ellipse. Some links to websites that help with the computation are...
Activity
Discovery Education

Discovery Education: Web Math: Find Out Things About a Square

For Students 9th - 10th
WebMath will calculate the side length, diagonal length, perimeter, area, or volume, given the side, perimeter, diagonal, or area. This site also displays formulas for a square.
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Khan Academy

Khan Academy: Use Pythagorean Theorem to Find Area and Perimeter

For Students 7th - 8th
Find the area and perimeter of triangles and quadrilaterals by first using the Pythagorean Theorem to find missing side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...