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L-Shape Rectangle Perimeter
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L-Shape Rectangle Perimeter
📏 Part 1: Understanding Perimeter
1. What is perimeter?
The area inside a shape
The distance around the outside of a shape
The height of a shape
2. To find the perimeter of any shape, we need to:
Add up all the side lengths
Multiply the sides together
Count the corners
🔢 Part 2: Simple L-Shape Perimeter
3. Look at this L-shape. The measurements are: 8cm, 6cm, 3cm, 2cm, 5cm, 4cm going around the outside. What is the perimeter?
Perimeter = _______ cm
4. An L-shape has these outside measurements: 10cm, 7cm, 4cm, 3cm, 6cm, 4cm. Calculate the perimeter.
Perimeter = _______ cm
✏️ Part 3: Draw and Measure
5. Draw your own L-shape in the box below. Label each side with a measurement in centimetres.
6. Now calculate the perimeter of your L-shape:
My L-shape perimeter = _______ cm
🧮 Part 4: Problem Solving
7. Sarah is putting a fence around her L-shaped garden. The outside measurements are 12cm, 8cm, 5cm, 3cm, 7cm, and 5cm. How much fencing does she need?
Sarah needs _______ cm of fencing.
8. Which of these could be the perimeter of an L-shape? (Tick all that apply)
24cm
30cm
15cm
42cm
🎯 Part 5: Challenge Questions
9. An L-shape has a perimeter of 36cm. If five of the sides measure 8cm, 6cm, 4cm, 2cm, and 7cm, what is the length of the sixth side?
The sixth side is _______ cm long.
10. Explain in your own words how to find the perimeter of an L-shaped rectangle:
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