# Perimeter Resources

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Third Grade Independent Study Packet - Week 4
Workbook
Third Grade Independent Study Packet - Week 4
Week 4 of this independent study packet for third graders brings on new challenges in various subjects.
Social studies
Workbook
Alfalfa's Out of the Box: Perimeter, Area, and Addition
Game
Alfalfa's Out of the Box: Perimeter, Area, and Addition
Kids help Alfalfa the turtle and Old Harold navigate their way into the backyard in this sweet math story.
Math
Game
Fourth Grade Independent Study Packet - Week 3
Workbook
Fourth Grade Independent Study Packet - Week 3
Designed by teachers, this independent study packet offers Week 3 of reading, writing, math, social studies and science activities for fourth graders.
Social studies
Workbook
Perimeter of a Rectangle
Exercise
Perimeter of a Rectangle
Students will get the bigger picture after they run through this exercise on calculating the perimeter of a rectangle.
Math
Exercise
Find The Perimeter: Real Life Objects
Lesson Plan
Find The Perimeter: Real Life Objects
This lesson on perimeter will let your students walk around the class to see the border, use a measuring tape to measure the walls in their classroom, and enable them to understand how math is related to real life!
Math
Lesson Plan
Geometry and Measurement
Workbook
Geometry and Measurement
This workbook will challenge your fourth grader with math formulas, shapes practice and angle activities. Kids will also learn how to find areas and perimeters, classify triangles and calculate time.
Math
Workbook
Geometry 5
Guided Lesson
Geometry 5
Geometry in third grade introduces kids to the idea that shapes have different categories (rectangles, rhombuses, etc..) attributes (four-sided, etc...) and areas of different values. This lesson, designed by our curriculum experts, provides the guided instruction and practice that third graders need to conceptualize shapes in a deeper way. For more practice, download and print the third grade geometry worksheets recommended as part of this lesson.
Math
Guided Lesson
Finding Perimeter
Lesson Plan
Finding Perimeter
In this lesson, students will find the perimeter of figures using cheese crackers. Next, they'll design a floor plan for their cheese cracker dream house, to help them practice and retain the formula for finding perimeter.
Math
Lesson Plan
Geometry 6
Guided Lesson
Geometry 6
Fourth graders will discover the building blocks of geometry in this unit: points, lines, line segments and rays. Students will explore the properties of different shapes, including symmetry, parallel and perpendicular lines, and 900 angles. Students will apply their understanding as they learn to sort shapes based on these properties.
Math
Guided Lesson
For Good Measure
Workbook
For Good Measure
This workbook deals with more advanced forms of measurement, including pre-geometry concepts like perimeter and area, and data skills like graphing and charting.
Math
Workbook
Real Life Perimeter
Lesson Plan
Real Life Perimeter
Get your students talking about how they can apply the concept of perimeter to real life. Use this lesson independently or alongside *Find the Perimeter: Real Life Objects.*
Math
Lesson Plan
The Case of the Missing Rectangle Side
Lesson Plan
The Case of the Missing Rectangle Side
Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.
Math
Lesson Plan
Perimeter of Polygons
Lesson Plan
Perimeter of Polygons
Finding the perimeter of a polygon is a simple process with addition! Use this lesson to teach your students how to find the perimeter of polygons.
Math
Lesson Plan
Measurement Learning Check
Worksheet
Measurement Learning Check
This resource will help assess your students' mastery of concepts surrounding measurement and time. This worksheet will challenge your third graders with problems on area, perimeter, measurement, and elapsed time problems.
Math
Worksheet
Area and Perimeter of a Rectangle
Worksheet
Area and Perimeter of a Rectangle
Math ninjas can learn the secrets of the rectangle with this practice page about the area and perimeter of a rectangle.
Math
Worksheet
Calculate Perimeter
Lesson Plan
Calculate Perimeter
Make real world connections with your students when it comes to perimeter. Use this geometry lesson with your students to discuss real contexts and teach them how to calculate perimeter.
Math
Lesson Plan
Fifth Grade Fall Review Packet - Week 3
Workbook
Fifth Grade Fall Review Packet - Week 3
Help learners gear up for a new year with this Fifth Grade Fall Review Packet - Week 3, complete with 5 days of activities in math, reading, writing, science, and social studies.
Workbook
Find the Perimeter
Worksheet
Find the Perimeter
In this 3rd grade math worksheet, your child will practice geometry and addition as they calculate the perimeter of each house to find the largest one.
Math
Worksheet
Geometry Basics: Perimeter
Worksheet
Geometry Basics: Perimeter
Children practice calculating the perimeter of a variety of polygons in this geometry basics worksheet.
Math
Worksheet
Word Problems: Perimeter
Worksheet
Word Problems: Perimeter
Use this resource to give your students practice solving word problems that focus on finding the perimeter of polygons.
Math
Worksheet
What's In A Name? Finding Perimeter
Lesson Plan
What's In A Name? Finding Perimeter
Your students will enjoy using the perimeter formula to find the perimeter of their initials! In this lesson, they will write their initials in block letters on graph paper to include an element of art.
Math
Lesson Plan
Polygon Perimeters with Tantalizing Tangrams!
Lesson Plan
Polygon Perimeters with Tantalizing Tangrams!
Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.
Math
Lesson Plan
Polygon Perimeter Word Problems
Worksheet
Polygon Perimeter Word Problems
In this worksheet, students will follow four steps to find the perimeter of polygons in word problems.
Math
Worksheet
Perimeter with Geoboards
Lesson Plan
Perimeter with Geoboards
A hands-on approach makes geometry fun! Use this lesson to teach your students about the basics of perimeter with geoboards.
Math
Lesson Plan
Exercise
This addition exercise will help students add it all up when calculating the perimeter of an object.
Math
Exercise

### Perimeter Resources

Perimeter is another geometric concept that your child will begin learning in third grade. Perimeter is defined as the distance around a two-dimensional shape. Calculating perimeter requires addition and multiplication skills, so after your student has mastered those concepts, you can help them move on to our worksheet resources for perimeter.

### Perimeter Basics

Perimeter is the total length around a shape, and for different shapes, there are different ways to calculate it.
• Square: perimeter = 4 × s, where s is the length of a side
• Rectangle: perimeter = 2 × (w + h), where w is width and h is height
• Triangle: perimeter = a + b + c, where a, b, and c are the lengths of three different sides
• Circle: the perimeter for a circle is actually called the circumference. Circumference = 2 × π × r, where r is the radius.
• Quadrilateral: perimeter = a + b + c + d, where a, b, c, and d are lengths of different sides
If you want to learn more about the different shapes, you can check out our geometry page to get a better idea of what circles are and the different polygons you can calculate the perimeter of.

After you practice your perimeter skills with the resources on this page, you can then move over to our area resources to learn how to calculate the amount of space inside a shape.