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📐 Mathematics - Class 6
Lesson 10 · Perimeter, Area and Volume

Perimeter, Area and Volume Presentation

MathematicsSubject
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Mathematics Class 6, Unit 10

Perimeter, Area and Volume

Measuring the edge · Measuring the surface · Measuring the space inside

What This Lesson Teaches

📏

Finding the perimeter of a rectangle and a square

🔲

Finding area by counting squares

✖️

Finding area from a formula

🧊

Finding the volume of a cuboid and a cube

Perimeter and Area

🧵Perimeter
The length round the boundary
\( P = 2(l+b) \), \( P = 4l \)
Units are cm, m, ft
Used for string and wire
VS
🎨Area
The space a surface covers
\( A = l \times b \), \( A = l^2 \)
Units are square centimetres and square metres
Used for paint and carpet

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Presenter notes: Ask the class whether the wooden strip of a photo frame and the picture inside it are the same measurement or two different ones. Start the lesson from that question.