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Perimeter
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Perimeter
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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.
4th grade
Math
Worksheet
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.
4th grade
Math
Workbook
Geometry Basics: Perimeter
Worksheet
Geometry Basics: Perimeter
Practice perimeter with your third grader with this nifty worksheet.
3rd grade
Math
Worksheet
For Good Measure
Workbook
For Good Measure
This workbook deals with more advanced forms of measurement, including pregeometry concepts like perimeter and area, and data skills like graphing and charting.
3rd grade
Math
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.
4th grade
Math
Exercise
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.
3rd grade
Math
Worksheet
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.
3rd grade
Math
Worksheet
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.
3rd grade
Math
Game
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.
3rd grade
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.
3rd grade
Math
Lesson plan
Perimeter with Geoboards
Lesson plan
Perimeter with Geoboards
A handson approach makes geometry fun! Use this lesson to teach your students about the basics of perimeter with geoboards.
3rd grade
Math
Lesson plan
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.
4th grade
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.
4th grade
Guided Lesson
Geometry Basics: More Perimeters
Worksheet
Geometry Basics: More Perimeters
Get back to basics with this handy geometry resource! Challenge your child to determine the perimeter—or distance around a shape—of a variety of polygons. They'll be perimeter pros in no time!
3rd grade
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.
3rd grade
Math
Worksheet
Perimeter and Addition
Exercise
Perimeter and Addition
This addition exercise will help students add it all up when calculating the perimeter of an object.
3rd grade
Math
Exercise
Perimeter: Perfect Carnival
Worksheet
Perimeter: Perfect Carnival
Your students will have a blast as they use perimeter in a realworld scenario to plan their very own carnivals in the school gym. Students will choose their activities and use their calculated dimensions to map our their carnival on the provided graph.
4th grade
Math
Worksheet
Math Review Part 3: Geometry Galore!
Worksheet
Math Review Part 3: Geometry Galore!
Use this yearend assessment to check students’ grasp of key fourth grade geometry concepts.
4th grade
Math
Worksheet
Solving Perimeter Word Problems
Lesson plan
Solving Perimeter Word Problems
Support your students' comprehension of perimeter word problems by teaching them to use an engaging strategy and graphic organizer. This lesson can stand alone or be used as a prelesson for *Polygon Perimeters with Tantalizing Tangrams!*
3rd grade
Math
Lesson plan
Perfect Perimeter
Lesson plan
Perfect Perimeter
Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.
4th grade
Math
Lesson plan
Trapezoid Perimeters
Worksheet
Trapezoid Perimeters
It’s time to practice finding perimeter! Use this geometry exercise with your students to give them practice calculating the perimeter of various trapezoids. Students will use addition to add up the lengths of the four sides of trapezoids.
3rd grade
Math
Worksheet
Find the Missing Side
Worksheet
Find the Missing Side
Get your child acquainted with the concept of perimeter with this geometry worksheet
3rd grade
Math
Worksheet
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.
4th grade
Math
Worksheet
Geometry 5
Guided Lesson
Geometry 5
Geometry in third grade introduces kids to the idea that shapes have different categories (rectangles, rhombuses, etc..) attributes (foursided, 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.
3rd grade
Guided Lesson
Longest Route: Calculating Perimeter
Worksheet
Longest Route: Calculating Perimeter
In this 3rd grade math worksheet, your child will practice calculating perimeter and adding whole and half numbers.
3rd grade
Math
Worksheet
Perimeter Resources
Perimeter is another geometric concept that your child will begin learning in third grade. Perimeter is defined as the distance around a twodimensional 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
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.