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Edges, vertices and faces
Making cut-out 3D shapes and counting the number of edges, vertices and faces
In this fun maths activity for Key Stage 2, learners will enhance their knowledge and comprehension of 3D shapes. They will cut out 2D nets for a cube, pyramid, cylinder, and octahedron, then fold them to form their corresponding 3D shapes. Through this process, they will also determine and count the number of edges, vertices, and faces on each shape.
This activity can serve as a main lesson to develop an understanding of the characteristics of common 3D shapes. Alternatively, it can be integrated into a broader curriculum that focuses on the properties of 2D shapes, 3D shapes, and everyday objects.
The engineering context
Engineers must regularly use mathematics knowledge and skills as part of their everyday job. Therefore, they must have a good grasp of basic concepts, such as the properties of 3D shapes.
Suggested learning outcomes
By the end of this activity, students will be able to make 3D shapes such as cubes, pyramids, cylinders and octahedrons from 2D nets, and they will understand the difference between the edges, vertices and faces of a 3D shape. They will know the number of edges, vertices and faces on a cube, pyramid, cylinder and octahedron.
Download for activity sheets and templates for free!
All activity sheets and supporting resources are free to download, and all the documents are fully editable so that you can tailor them to your students and your schools’ needs.
The activity sheet includes teacher notes, guidance, helpful web links, and links (where appropriate) to the national curriculum in the four devolved UK nations; England, Northern Ireland, Scotland and Wales.
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Careering towards the future
Explore the engineering careers that are available today, the potential rewards of these careers, how engineering has shaped our society and how engineering could transform the world we live in in the future.
Depending upon the option selected, you can also investigate the influence of famous engineers/technologists of the past and people working in Engineering today.
Part of the #IETLookAtMeNow campaign exploring the different ways that toys and imagination can represent a world of possibilities and invention to children. For engineers and scientists, the possibilities and invention never end. They are proof that our toys and dreams today impact our innovations tomorrow.
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Working drawings poster
Secondary classroom poster where students can find out more about working drawings and how they are created.
Download the single poster here or order a full set of posters for free from the IET Education website.
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User centered design poster
Secondary classroom poster highlighting the design process focusing on the needs of the user at each stage.
Download the single poster or order a full set of posters for free from the IET Education website.
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The Bionic Body poster
Secondary classroom poster highlighting some of the areas in which the human body can be improved with technology.
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Voltage poster
Secondary classroom poster where students can learn about the concept of potential difference through analogy.
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Systems thinking poster
Secondary classroom poster highlighting inputs, processes and outputs.
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Celebrating women engineers
Secondary classroom poster looking at how women are involved in the engineering industry.
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Nanotechnology poster
Secondary classroom poster exploring nanotechnology in everyday life.
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micro:bit poster
Secondary classroom poster giving a quick look at the individual components of the BBC micro:bit and how you can use it in your classroom.
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Modelling methods
Secondary classroom poster where students can find out how designers use models to understand how their ideas will look and function.
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Maths for engineering poster
Secondary classroom poster where your students can find out about the equations and formulae needed for engineering.
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Save the Earth poster
Secondary classroom poster highlighting ideas we could all implement to help save our world.
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Programmable components poster
Secondary classroom poster looking at what programmable components are and where they are used.
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Engineer a better world poster
Secondary classroom poster where your students can find out more about the ‘Engineer a Better World’ campaign.
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Cybersecurity poster
Secondary classroom poster where your students can find out about cybersecurity and how it affects the world we live in.
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FIRST LEGO League Challenge poster
Secondary classroom poster where your students can discover the excitement of robotics and STEM with FIRST LEGO League.
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Electrical and electronic symbols poster
Secondary classroom poster showing the common electrical and electronic symbols.
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Electronics innovations timeline poster
Secondary classroom poster showing electronics innovations through the ages.
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Current and resistance poster
Secondary classroom poster illustrating the concepts of current and resistance, their measurements and affecting factors.
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