# 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.

## Area and Perimeter of Rectangles

This concept teaches students to find the area and perimeter of rectangles and squares.
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## Area and Perimeter of Rectangles

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

Area and Perimeter of Rectangles Interactive
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• PLIX

## Area and Perimeter: Rectangular Treehouse

Area and Perimeter of Rectangles Interactive
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• Video

## Area and Perimeter of Rectangles Principles

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

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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## Area of Parallelograms

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

## Area and Perimeter of Rectangles Discussion Questions

A list of student-submitted discussion questions for Area and Perimeter of Rectangles.
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• Real World Application

Find out how you could measure the British coastline to be infinitely long.
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• Real World Application

## Perimeter

How would you use perimeter and area in designing a scooter race track?
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• Real World Application

## Trunk Shows

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