Learning objective
- To evaluate and improve a structure.
Success criteria
- I can decide if a product matches the
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National curriculum
Design and technology
Make
Pupils
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Cross-curricular links
Science
Everyday materials (Year
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Before the lesson
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Lesson plan
Recap and recall
Explain that the children will talk with a partner to recall what they learnt about strong structures. Display the Presentation: Speak like an expert and ask the children to talk with a partner about how they have made their chair strong for the bear. Allow paired discussion for one minute.
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Adaptive teaching
Pupils needing support
Should use the Activity: Evaluate and improve a chair: support version to guide their thinking; could roll paper or card around an existing tube during the Main event, reducing the challenge of shaping strong components; could use the Resource: Improving a chair during the Main event to identify one problem with their chair and one method to improve it; could record their evaluation and improvements using a sound recording device instead of writing.
Pupils working at greater depth
Should explain how they improved their chair and evaluate whether the changes were successful using the Activity: Evaluate and improve a chair: extension; should suggest further improvements to their product, even if it already meets the design criteria; could add additional features or decorations to make their chair more appealing or better suited to the user.
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Assessing progress and understanding
Pupils with secure understanding indicated by: evaluating a product using the design
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Vocabulary definitions
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evaluate
Looking at what is good and bad about something and thinking about how to make it better.
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improve
To make something better by helping it work well, look nicer or be more useful.
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In this unit
Assessment - D&T Y2: A chair for a bear
Lesson 1: All about chairs!
Lesson 2: How does the shape of something affect its strength?
Lesson 3: How does the thickness of a material affect its strength?
Lesson 4: Making a chair for a bear
Lesson 5: Evaluating, improving and finishing a chair for a bear