Checking and securing understanding of surface area of other prisms
I can efficiently calculate the surface area of other prisms.
Checking and securing understanding of surface area of other prisms
I can efficiently calculate the surface area of other prisms.
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Lesson details
Key learning points
- The surface area of a prism is the sum of the area of all the faces.
- The net of a prism can help find the surface area of a prism but can be time consuming.
- Using known area facts the area of all the faces can be found and summed.
- It is important to find the surface area systematically and efficiently.
Keywords
Prism - A prism is a polyhedron with a base that is a polygon and a parallel opposite face that is identical. The corresponding edges of the two polygons are joined by parallelograms.
Surface area - The surface area is the total area of all the surfaces of a closed 3D shape. The surfaces include all faces and any curved surfaces.
Net - The net of a 3D object is a 2D representation of its surfaces that can be folded up into the 3D object.
Common misconception
Pupils can miss out some faces of the prism when calculating the surface area.
Encourage pupils to sketch out the net of the prism and label it clearly, to ensure that they include all faces in their calculation of the surface area. This will allow their answer to be checked more easily.
To help you plan your year 11 maths lesson on: Checking and securing understanding of surface area of other prisms, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 11 maths lesson on: Checking and securing understanding of surface area of other prisms, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 maths lessons from the 2D and 3D shape: surface area and volume (pyramids, spheres and cones) unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
64 cm³
96 cm²
16 cm
4 cm
16 cm²
