Learning objective

  • To explore how shape affects the strength of a tower.

Success criteria

  • I can recall which shapes are stronger than
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National curriculum

Design and technology

Make

Pupils

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Before the lesson

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Lesson plan

Recap and recall

Explain that the children will match the design criteria to the correct chair. Display the Presentation: Matching pairs and read out the design criteria statements. Ask the children to discuss with a partner which design criteria match each chair.

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Adaptive teaching

Pupils needing support

Should use the Activity: Tower templates (support) to guide accurate construction of towers in the Main event; could use 3D maths shapes to remind them of the geometric forms when building towers; could use the Knowledge organiser to help with using the correct vocabulary in the Main event and Wrapping up.

Pupils working at greater depth

Should consider factors (variables) that affect the tower’s strength, such as whether the weight is placed centrally or at the edges, and explain the impact; could identify patterns between the shape, number of corners and strength when analysing results; could extend the investigation by using maths weights to measure collapse points or by testing how changes in height or cylinder width affect strength

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Assessing progress and understanding

Pupils with secure understanding indicated by: recalling and describing which tower shape

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Vocabulary definitions

  • curved

    A shape or line that bends smoothly and is not straight.

  • shape

    The outline of something and how it looks on the outside.

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