Finding the Surface Area of Triangular Prisms

In this lesson, students will calculate the surface area of triangular prisms. We will introduce the appropriate formulae for these calculations and practise determining which measures within a diagram will be appropriate to use in our formulae.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Calculate the surface area of the cube.

1/4

Q2.Calculate the surface area of the cuboid.

2/4

Q3.The surface area of a cube is 96 cm². What is the length of the cube?

3/4

Q4.The surface area of the cuboid is 158 cm². Find the length of y.

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Calculate the surface area of the cube.

1/4

Q2.Calculate the surface area of the cuboid.

2/4

Q3.The surface area of a cube is 96 cm². What is the length of the cube?

3/4

Q4.The surface area of the cuboid is 158 cm². Find the length of y.

4/4

Video

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Finding the Surface Area of Triangular Prisms

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Calculate the surface area of the triangular prism.

1/3

Q2.Calculate the surface area of the triangular prism.

2/3

Q3.Find the surface area of the equilateral triangular prism.

3/3

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Finding the Surface Area of Triangular Prisms

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Calculate the surface area of the triangular prism.

1/3

Q2.Calculate the surface area of the triangular prism.

2/3

Q3.Find the surface area of the equilateral triangular prism.

3/3

Lesson summary: Finding the Surface Area of Triangular Prisms

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Time to move!

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For 5 mins...

Move around:
Climb stairs

On the spot:
Dance

This was the final lesson in the unit Volume and Surface Area 1 (Prisms).

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