Before setting up camp, Emek and Luna marked a safe play area on the ground. They walked around the edges and measured each side to find the total distance around the shape. The sides of the rectangular area were 8 meters, 5 meters, 8 meters, and 5 meters long. By adding all the side lengths, they found the perimeter was 26 meters. The correct boundary helped keep the campsite safe and ready for everyone to enjoy.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Add the lengths of all four sides.
Emek and Luna measured the camp boundary sides as 8 meters, 5 meters, 8 meters, and 5 meters. What is the perimeter of the play area?
26 meters21 meters16 meters40 metersCorrect! Adding 8 + 5 + 8 + 5 gives a perimeter of 26 meters.
Remember that perimeter means adding every side around the shape.
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Hint
Start with the original perimeter and add the extra path length.
The camp team added a small path of 4 meters to one side of the boundary. What is the new perimeter of the play area?
Correct! The original perimeter was 26 meters, and adding 4 meters makes 30 meters.
Use the original perimeter from the story before adding the new path.
Next🎉 Congrats! You got this question!
Hint
Find the perimeter of the new rectangle and compare it with 26 meters.
Luna says a rectangle with sides 10 meters, 3 meters, 10 meters, and 3 meters has the same perimeter as the camp area. Is Luna correct?
Yes, because 10 + 3 + 10 + 3 = 26No, because the perimeter is 16 metersNo, because the perimeter is 20 metersYes, because all rectangles have the same perimeterCorrect! The new rectangle has a perimeter of 26 meters, so it matches the camp area.
Calculate all four sides before deciding if the perimeters are equal.
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🎉 Congrats! You finished this challenge set!
