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Tom Scavo's

Rectangles

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Contents || Math Lessons
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[Materials] [Length] [Area] [Pick's Theorem] [Dot Paper] [Epilogue]

[Lines] [Squares] [Rectangles] [Parallelograms] [Right Triangles] [Bibliography]


    Find all rectangles

Objectives

Materials

Warm-up activities

  1. Make a rectangle on your geoboard. What is its area?
  2. How many rectangles are there with base 1 unit long?
  3. How many rectangles are there with base 2 units long?

Main activity

Homework

Extended activities

  1. Make a rectangle with area 2 square units. Can you find another rectangle with this area?

  2. Can you find a rectangle and a square with the same area?

  3. There are three rectangles with area 4 square units. Can you find them?

  4. Find the perimeter of each of the rectangles in the main activity.

  5. Continue this pattern of rectangles on a 10 x 10 geoboard and complete the table:

  6. Continue this pattern of rectangles on a 10 x 10 geoboard and complete the table:

  7. Continue this pattern of rectangles on a 10 x 10 geoboard and complete the table:

  8. Continue this pattern of rectangles on a 10 x 10 geoboard and complete the table:

 


[Materials] [Length] [Area] [Pick's Theorem] [Dot Paper] [Epilogue]

[Lines] [Squares] [Rectangles] [Parallelograms] [Right Triangles] [Bibliography]


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The Math Forum * * Tom Scavo * * 3 August 1997

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