Perimeter is the distance around the outside of a shape. To find the perimeter of a shape, you simply add up the lengths of all its sides. Word problems often involve real-life situations where you need to calculate the perimeter, like finding out how much fencing is needed for a garden or how much border is needed for a bulletin board. Ready to put your skills to the test?
Match the term with its definition:
| Term | Definition |
|---|---|
| 1. Perimeter | A. A closed shape with straight sides. |
| 2. Side | B. The distance around a shape. |
| 3. Rectangle | C. A straight line that forms part of the boundary of a shape. |
| 4. Square | D. A four-sided shape with four right angles and opposite sides equal. |
| 5. Polygon | E. A four-sided shape with four equal sides and four right angles. |
Match the correct letters (A, B, C, D, E) to the numbers (1, 2, 3, 4, 5).
Read the paragraph and fill in the missing words.
To find the _________ of a shape, you need to add up the lengths of all its _________. If a garden is in the shape of a _________ with sides of 5 meters and 3 meters, the perimeter would be 5 + 3 + 5 + 3 = _________ meters. Remember, perimeter is the __________ around the shape.
Imagine you are building a rectangular pen for your pet bunny. You have 20 feet of fencing. What could be the length and width of the pen so that you use all the fencing? Explain your answer.
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