T.i.P.S.

Students must be able to use models including drawings, pictures, and manipulatives to determine the formulas for the perimeter of rectangles including the special form of a square as well as the formula for the area of a rectangle.
Example

Determine the perimeter and area formulas for each figure shown below.
Resources

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TEKS

4.5 Algebraic reasoning. The student applies mathematical process standards to develop concepts of expressions and equations. The student is expected to: