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Lesson 4: Strengthening shell structures

Making the helmet shell structures stronger by using strengthening techniques.
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Hands holding folded green paper with craft tools on a table.

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Learning objective

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Before the lesson

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Lesson plan

1. Recap and recall

Explain that the children will work with a partner to remember how to strengthen their helmet shell structures. Display the Presentation: Fact tennis and arrange the children in pairs. Ask them to take turns sharing one fact at a time about how to strengthen a helmet shell.

Give each child one minute to talk. Encourage them not to repeat any facts.

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Teach in presentation mode

Example work

Haimo Primary School, London
Haimo Primary School, London

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In this unit

Assessment – D&T Y4: Structures: HelmetsLesson 1: Exploring shell structuresLesson 2: Making papier-mâché shellsLesson 3: Strengthening techniques
Lesson 4: Strengthening shell structures
Lesson 5: Evaluating shell structures
Created by:
Kapow Primary Team
Kapow Primary Team
Our team comprises experienced classroom teachers who love the foundation subjectsFind out more
Maintained by: Kapow Primary teamLast update: 27 March 2026

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