Problem solving using 2-D representations of 3-D shapes

In this lesson, we will recap the key vocabulary used to describe 3D shapes before applying our understanding of 3-D shapes to problem solving.

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.1. What is the definition of the 'apex' of a 3-D shape?

1/5

Q2.What is the difference between a square-based pyramid and a triangular-based pyramid?

2/5

Q3.What is unique about a sphere?

3/5

Q4.Which of the following 3-D shapes has more faces than vertices?

4/5

Q5.Which of the following 3-D shapes has faces which are always the same shape?

5/5

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.1. What is the definition of the 'apex' of a 3-D shape?

1/5

Q2.What is the difference between a square-based pyramid and a triangular-based pyramid?

2/5

Q3.What is unique about a sphere?

3/5

Q4.Which of the following 3-D shapes has more faces than vertices?

4/5

Q5.Which of the following 3-D shapes has faces which are always the same shape?

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

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:

Problem solving using 2-D representations of 3-D shapes

Quiz to be completed following lesson on: 'Problem solving using 2-D representations of 3-D shapes'.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How many edges does a triangular prism have?

1/5

Q2.'Cubes and cuboids have the same number of edges.' Is this statement true or false?

2/5

Q3.Identify one of the differences between a triangular prism and a triangular-based pyramid.

3/5

Q4.'I have 2 flat surfaces and 1 curved surface. I also have 2 curved edges.' What am I?

4/5

Q5.'I have 8 faces and 12 vertices. I also have 18 edges.' What am I?

5/5

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:

Problem solving using 2-D representations of 3-D shapes

Quiz to be completed following lesson on: 'Problem solving using 2-D representations of 3-D shapes'.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How many edges does a triangular prism have?

1/5

Q2.'Cubes and cuboids have the same number of edges.' Is this statement true or false?

2/5

Q3.Identify one of the differences between a triangular prism and a triangular-based pyramid.

3/5

Q4.'I have 2 flat surfaces and 1 curved surface. I also have 2 curved edges.' What am I?

4/5

Q5.'I have 8 faces and 12 vertices. I also have 18 edges.' What am I?

5/5

Lesson summary: Problem solving using 2-D representations of 3-D shapes

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