Adding Faces: Real-world Applications
Mathematics
Grade 7
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on adding faces of prisms with real-world context and varied question types to enhance understanding of surface area concepts.
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Adding Faces: Real-world Applications
Subject: MathematicsGrade: Grade 7
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Untitled Worksheet
Grade Grade 7
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the total number of faces when a rectangular prism has 3 faces with 4 units, 5 units, and 6 units, and you add the 2 additional rectangular faces for the length and width.
[2 marks]2.
A triangular prism has 5 faces in total. If 3 of these faces are triangles, how many rectangular faces does it have?
[2 marks]3.
A rectangular box has dimensions of 3 cm by 4 cm by 5 cm. If you add the faces with areas 12 cm², 20 cm², and 15 cm², what is the total number of faces represented?
[2 marks]4.
Construct a rectangular prism with dimensions 2 units, 3 units, and 4 units. How many faces are there in total, and what is the total number of faces added when including the top and bottom?
[3 marks]5.
A cylindrical prism's lateral surface is not considered here. If a prism has 4 rectangular faces on the sides, how many faces are added when counting all its faces?
[2 marks]6.
In a game design, a box-shaped container has 8 faces in total. If 2 faces are on the top and bottom, how many side faces are there?
[2 marks]7.
A prism has 7 faces, with 3 triangular faces. How many rectangular faces does it have?
[2 marks]8.
A rectangular prism has length 6, width 4, and height 3. If you add all the faces, what is the total number of faces?
[3 marks]9.
A student mistakenly counts only the side faces of a prism and ignores the top and bottom. Explain how this mistake affects the total surface area calculation.
[3 marks]10.
In a real-world scenario, a storage box has 6 faces. If 2 faces are on the lid and the base, how many faces are on the sides?
[2 marks]11.
Construct a rectangular prism on the grid with dimensions 3 units by 3 units by 5 units. How many faces does this prism have in total, and how many of these are rectangular?
[3 marks]12.
Identify and correct the mistake in this statement: "Adding the four side faces of a prism gives the total surface area."
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet