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.
Ministry of Education and Employment of Spain
Red Escolar: Perimetros
In Spanish. This site has a simple explanation on how to find the perimeter of a plane figure. It also contains an activity of following the path of a light and a brief biography of Oenopides de Chios.
Wolfram Research
Wolfram Math World: Circumference
This site provides the formula for circumference. Links are provided.
Mr. Martini's Classroom
Mr. Martini's Classroom: Teacher's Figure Library: Geometric Figures
This interactive resource provides an example picture of the geometric figure chosen by students to review.
Other
Mathpower: Math Fundamental Assignments
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Learning Wave Communications
Learning Wave: Geometry, Section 2
Geometry concepts are briefly discussed at this site, including volume of a cylinder, parallelograms, circles, trapezoids, and triangles. Sample problems and applications are included for practice.
Sophia Learning
Sophia: Using Triangles to Examine Quadrilaterals: Lesson 5
This lesson demonstrates how to determine properties of quadrilaterals by using triangles. It is 5 of 5 in the series titled "Using Triangles to Examine Quadrilaterals."
National Council of Teachers of Mathematics
Nctm: Figure This: Fractals
Can you figure out what pattern comes next? Explore patterns and perimeter in this math challenge on fractals. A one page activity from the NCTM Math Challenges for Families collection.
Sophia Learning
Sophia: Using Triangles to Find the Sum of Interior Angles: Lesson 1
This lesson demonstrates how to use triangles to determine the sum of the interior angles of a polygon. It is 1 of 5 in the series titled "Using Triangles to Find the Sum of Interior Angles."
ClassFlow
Class Flow: Perimeter & Area of Rectangles & Parallelograms
[Free Registration/Login Required] In this flipchart, students will investigate the area and perimeter of rectangles and parallelograms. This is an interactive lesson and also includes an assessment.
ClassFlow
Class Flow: Perimeter Area
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to review perimeter and area.
ClassFlow
Class Flow: Perimeter Conversions
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to review perimeter conversions.
ClassFlow
Class Flow: Perimeter of Regular Figures
[Free Registration/Login Required] This elementary flipchart presents the concept of regular shapes and ways of measuring perimeter. It also explores the ratio of perimeter to side length that equals the number of sides.
ClassFlow
Class Flow: Perimeter With Division
[Free Registration/Login Required] This flipchart is an excellent introduction to Perimeter and an addition to division review integrated with the concept of perimeter. This flipchart features a great website link for additional...
ClassFlow
Class Flow: Polygons Perimeter
[Free Registration/Login Required] The teacher will use this lesson plan to explore polygons.
ClassFlow
Class Flow: Pond Borders Algebra
[Free Registration/Login Required] In this flipchart, students apply algebraic sense to solve problems involving area and perimeter of a pond.
ClassFlow
Class Flow: Quick Questions
[Free Registration/Login Required] In this flipchart, students are presented with a variety of algebra questions which can be used as a quick formative assessment or pre-post assessment.
ClassFlow
Class Flow: Quiz Rounds
[Free Registration/Login Required] In this lesson students test their understanding of algebra and geometry problems with a series of engaging quiz questions.
ClassFlow
Class Flow: Shapes, Area, and Perimeter
[Free Registration/Login Required] Students will begin practice identifying shapes. Then they will practice solving area and perimeter problems, for different shapes.
Soft Schools
Soft Schools: Geometry and Spatial Reasoning Quiz
This quiz consists of ten multiple-choice questions that focus on area, perimeter, ordered pairs, and angles. At the end of the quiz, a summary of the results is shown, and students may review missed questions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Perimeter
Find a quick, concise explanation of perimeter. Perimeter formulas are given for common plane figures.
ClassFlow
Class Flow: 12 Squares Investigations
[Free Registration/Login Required] In this lesson students investigate the relationship between meeting points and the perimeter of shapes by joining 12 squares.
ClassFlow
Class Flow: Area Perimeter
[Free Registration/Login Required] This flipchart demonstrates how to calculate perimeters and areas of simple compound shapes that can be split into rectangles.
ClassFlow
Class Flow: Building a House
[Free Registration/Login Required] The flipchart is designed to review or introduce perimeter. The students are designing they yard by figuring out the amount needed to make a flower border, fence, and sand box.