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Year 5Maths

Calculate the area of non-rectilinear shapes

Lesson outcome

In this lesson, we will estimate the area of shapes that are not rectangles and are presented on a grid. Then we will use a mixture of calculating the area of rectangles and counting the additional parts to estimate the total area.

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This lesson will be removed by end of Summer Term 2025.

We've made brand-new and improved lessons for you.