# Area of Irregular Shapes Area and Perimeter of Polygons

Subject
Resource Type
Format
Presentation (Powerpoint) File (7 MB|17 pages)
Standards
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1. Do your kids have trouble finding the area and perimeter of odd shaped polygons? My kids always struggled with this skill, so I made several lessons good for teaching and reteaching. Plus, as PowerPoints these work well for distance learning through screen sharing.By purchasing this bundle, you are
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### Description

Teach area of irregular shapes through this two lesson PowerPoint consisting of figures where partial values of the sides are given. Students must look at the figures to determine the area and (with part two) the perimeter of the objects. The objects consist of multiple rectangles put together.

If you use a Promethean Board, this lesson is also available in Active Software at:

ActivInspire Software Lesson

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Total Pages
17 pages
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Teaching Duration
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### Standards

to see state-specific standards (only available in the US).
Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.
Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.
Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.