Students learn about finding the area of a rectangle. They progress from counting the squares inside and multiplying the length by the width. More able students learn how to write the area as the product of two expressions.

The start of the lesson recaps finding the perimeter of different shapes. In the main part students learn how to progress from counting the squares inside to finding the product of length and width. At the end all are challenged to find the area of a composite shape.

**Differentiated Learning Objectives**

- All students should be able to measure the area of a rectangle by counting the squares inside.
- Most students should be able to calculate the area of a rectangle as a product of its length and width.
- Some students should be able to write the area as an expression

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