Home : 2002 : January : 21
area and perimeter
By Rebecca
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I teach third grade and this is just a simple activity that I do with my kids when we are starting on this in math. I tape off various sizes of rectangles onto the floor. I call students up and first have them to stand ON the tape around the rectangles. We count to see how many kids it takes to go all the way around. We discuss perimeter and practice the concept with our rulers in inches. Then for my area lesson, we mark off rectangles once more but I mark it off inside the rectangle into boxes(3X3,4X5, etc.)and have students stand in each box inside the rectangle. We count to see how many it took to cover the rectangle. Then we discuss area and practice with rulers. This is very simple but it helps my third graders "see" what is happening.
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