Decompose irregular shapes to find perimeter and area. SPI 0506.4.2

Links verified on 9/16/2014

1. Area Explorer - Students are shown shapes on a grid after setting the perimeter and asked to calculate areas of the shapes.
2. Area of a Parallelogram - explanation, examples, practice questions and a quiz which AAA Math calls a game
3. Area of a Rectangle - explanation, examples, and five questions
4. Area of a Rectangle - Drag the orange dots to move and resize the rectangle. As the size of the rectangle changes, the area is recalculated.
5. Area of Plane Shapes - equations and examples, there are links to eight questions at the bottom of the page
6. Calculating the Area of a Rectangle - explanation, examples, practice questions and a quiz which AAA Math calls a game
7. Calculate the Perimeter of the Rectangle - from FunBrain
8. Exploring Length and Perimeter - a lesson plan from the Alabama Learning Exchange [ALEX]
9. How Do You Find the Area of a Rectangle - interactive lesson from Illuminations
10. Lesson on Perimeter of Polygons and
11. Measuring the Area and Perimeter of Rectangles - an interactive math lesson from Math Playground
12. Perimeter of a Parallelogram - explanation, examples, practice questions and a quiz which AAA Math calls a game
13. Perimeter Explorer - Students are shown shapes on a grid after setting the area and asked to calculate perimeters of the shapes.
14. Perimeter of a Rectangle - Calculate the perimeter of a rectangle with given dimensions - instruction and review, practice, and a quiz and
15. Perimeter of a Square - Calculate the perimeter of a square with given dimensions - instruction and review, practice, and a quiz and
16. Shape Explorer - Students are shown shapes on a grid and asked to calculate areas and perimeters of the shapes.
17. Using Spreadsheets to Find Area and Perimeter - The cells of a spreadsheet are a useful way to represent area and perimeter.

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