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# Perimeter of Squares and Rectangles

## Find total edge measures of rectilinear quadrilaterals.

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.
• Video

## Area and Perimeter

by CK-12 //basic

Teaches the basics behind area and perimeter and gives examples of each.

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• Video

## Perimeter and Area Formulas

by CK-12 //basic

Determines the perimeter and area of various geometric shapes using formulas.

1
• Video

## Determine the Area of a Rectangle Involving Whole Numbers

by CK-12 //basic

Provides an example of how to determine the area of a rectangle involving whole numbers.

0