PERIMETER
LESSON PLAN
Directions:
Print the Perimeter reading and questions worksheet (see
below).
Students should read the passage
silently, then answer the questions. Teachers may also use the text as
part of a classroom lesson plan.
Lesson Excerpt
The perimeter is the distance around an object. A square has four sides. To determine the perimeter of a square you can add the length of all four sides of the square together.
Imagine a square with a distance of 4 inches on the bottom side. Since every side of a square is an equal distance then all four sides are 4 inches in length.
To determine the perimeter of the square above just add the four sides together. Since every side of a square is the same, the perimeter is:
4 inches + 4 inches + 4 inches + 4 inches =16 inches
The perimeter of the square is 16 inches.
Finding the perimeter of a rectangle can be done in a similar fashion. However, not all sides to a rectangle are the same length.
continued...
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