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# Area and Perimeter of Rectangles

## Area is base times height, while perimeter is the sum of the sides.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Read

## Area and Perimeter of Rectangles

by CK-12 //at grade

Explains how to use formulas to find the area and perimeter of squares and rectangles.

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• PLIX

## Area and Perimeter of Rectangles

by CK-12 //at grade

Area and Perimeter of Rectangles Interactive

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• PLIX

## Area and Perimeter: Rectangular Treehouse

by CK-12 //at grade

Area and Perimeter of Rectangles Interactive

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• PLIX

## Exploring Rectangles

by CK-12 //at grade

Area and Perimeter of Rectangles Interactive

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• Video

## Area and Perimeter of Rectangles Principles

by CK-12 //at grade

This video gives more detail about the mathematical principles presented in Area and Perimeter of Rectangles.

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• Video

## Area and Perimeter of Rectangles Examples

by CK-12 //at grade

This video shows how to work step-by-step through one or more of the examples in Area and Perimeter of Rectangles.

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• Video

## Area of Parallelograms

by CK-12 //at grade

Shows how to find the area of any parallelogram using rectangle area formulas.

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• Downloadable Quiz

## Area and Perimeter of Rectangles Quiz

by CK-12 //at grade

Nine question quiz. Students must solve for the area, perimeter, and missing sides of rectangles.

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• Interactive Exercise

## Find the Perimeter of this Polygon

by CK-12 //at grade

A polygon and a side length is given. Determine the perimeter.

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• Interactive Exercise

## Perimeter of Equilateral Triangle ABC

by CK-12 //at grade

Presents details about the side lengths of an equilateral triangle and asks the perimeter.

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• Interactive Exercise

## What is Perimeter?

by CK-12 //at grade

Checks your understanding of what perimeter means.

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• Interactive Exercise

## What is Area?

by CK-12 //at grade

Checks your understanding of what area means.

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• Practice
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## Area and Perimeter of Rectangles Practice

by CK-12 //at grade
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• Interactive Exercise

## What is the area of a triangle?

by CK-12 //at grade

Checks your understanding of what the area of a triangle is.

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• Interactive Exercise

## What is the area of a rectangle?

by CK-12 //at grade

Checks your understanding of what the area of a rectangle is.

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• Interactive Exercise

## Side Length of Equilateral Triangle ABC

by CK-12 //at grade

Presents details about the side lengths of an equilateral triangle and asks the perimeter.

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• Critical Thinking

## Area and Perimeter of Rectangles Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Area and Perimeter of Rectangles.

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• Pre Read

## Area and Perimeter of Rectangles Pre Read

by CK-12 //at grade

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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• Post Read

## Area and Perimeter of Rectangles Post Read

by CK-12 //at grade

To activate prior knowledge, to generate questions about a given topic, and to organize knowledge using a KWL Chart.

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• While Read

## Area and Perimeter of Rectangles Stop and Jot Table

by CK-12 //at grade

Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.

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• Pre and Post Read

## Use Formulas to Find Perimeter and Area of Squares and Rectangles Pre and Post Read

by CK-12 //at grade

Predict and connect new information with prior knowledge of a concept. The KWL Chart can be used to brainstorm prior knowledge, generate questions about a given topic, and organize knowledge as well recall what has been read.

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• Real World Application

## The Infinite Coastline Paradox

by CK-12 //at grade

Find out how you could measure the British coastline to be infinitely long.

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• Real World Application

## Perimeter

by CK-12 //at grade

How would you use perimeter and area in designing a scooter race track?

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• Real World Application

## Trunk Shows

by CK-12 //at grade

Find out how much space elephants must be provided at a zoo.

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• Study Guide

## Triangles and Quadrilaterals Study Guide

by CK-12 //at grade

This study guide reviews the formulas for the perimeter and area of triangles and different types of quadrilaterals.

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