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Area & perimeter

Grade 5 · Math · Free lesson

Hey there! I'm Studyfin, your math buddy. Today we are going to explore the difference between the space around a shape and the space inside it!

Imagine you are building a cozy backyard for a puppy. The fence you build around the edge is the perimeter, while the grass inside where the puppy plays is the area!

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Perimeter is the total distance all the way around the outside of a shape. To find it, we simply add the lengths of all the outer sides together like a path.

Perimeter = BoundaryAdd all 4 sides!

Area is the amount of flat space inside a shape. We measure it in square units, like counting how many square tiles it takes to cover a floor.

Area = 6 Square Tiles
✏️ Worked example

Find the perimeter and area of a rectangular garden that is 5 meters long and 3 meters wide.

  1. Identify the side lengths: two sides are 5 meters, and two sides are 3 meters.
  2. To find the perimeter, add all four sides together: 5 + 3 + 5 + 3 = 16 meters.
  3. To find the area, multiply the length by the width: 5 x 3 = 15 square meters.
  4. Remember your units! Perimeter is in meters, and Area is in square meters.
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