Year 4 Calculate Perimeter of Irregular Polygons
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What's included?
Challenging Year 4 resources for calculating the perimeter of irregular polygons, applying measurement and addition skills to complex shapes, a key KS2 Maths objective. Activities build deepening understanding of the perimeter concept and promote reasoning in adding non-uniform side lengths accurately. This crucial small step supports mastery of perimeter and is vital for national curriculum expectations. The CS Maths Scheme provides structured visual and calculation tasks.
Full step description and curriculum objectives
Length and Perimeter
Time
Independent Tasks
Activities that help pupils practise, apply and secure their understanding after the main teaching input.
Block/Unit Resources
Materials that support and extend learning across the whole unit.
Resources at a glance
- WorksheetVaried FluencyConsolidate and secure understanding of key concepts with three fluency-based questions.
- WorksheetReasoning and Problem SolvingPromote mathematical reasoning and develop problem-solving skills with three different question types.
- WorksheetFluency MatrixMake learning more accessible by breaking down skills and concepts into smaller, more manageable steps.
