Mastering Surface Area
Mathematics
Grade 7
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About This Worksheet
A worksheet covering Surface Area for Grade 7 students.
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Mastering Surface Area
Subject: MathematicsGrade: Grade 7
Name:
Date:
Untitled Worksheet
Grade Grade 7
A
Introduction
Review the formulas for surface area:
- Surface area of a cube = 6 × side²
- Surface area of a cuboid = 2(lw + lh + wh)
- Surface area of a cylinder = 2πr(h + r)
Use these formulas to solve the following questions.
B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the surface area of a cube with a side length of 4 cm.
[2 marks]2.
A rectangular box has length 5 cm, width 3 cm, and height 2 cm. Find its surface area.
[2 marks]3.
What is the surface area of a cylinder with radius 3 cm and height 10 cm? (Use π ≈ 3.14)
[3 marks]4.
A cube has a surface area of 150 cm². What is the length of one side?
[2 marks]5.
Calculate the surface area of a cuboid with dimensions 8 cm by 6 cm by 4 cm.
[2 marks]6.
A cylindrical water tank has radius 2.5 m and height 4 m. Find its surface area (use π ≈ 3.14).
[3 marks]7.
If a cube's surface area is 384 cm², what is its volume?
[3 marks]8.
A rectangular prism has dimensions 10 cm, 4 cm, and 3 cm. Find its surface area.
[2 marks]9.
A cylindrical can has radius 7 cm and height 15 cm. Calculate the total surface area.
[3 marks]10.
Challenge: A rectangular box is 12 cm long, 8 cm wide, and 6 cm high. Find the surface area. Then, if the box is painted on all sides, how much paint is needed if 1 square cm requires 0.05 units of paint?
[4 marks]11.
Real-world application: A storage tank in the shape of a cylinder has radius 4 meters and height 6 meters. How much material is needed to make the tank if it is covered on all sides? Use π ≈ 3.14.
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet