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AC9M6M02

establish the formula for the area of a rectangle and use it to solve practical problems

Elaborations

  • AC9M6M02_E1using one centimetre grid paper to construct a variety of rectangles, recording the side lengths and the related areas of the rectangles in a table to establish the formula for the area of a rectangle by recognising the relationship between the length of the sides and its calculated area
  • AC9M6M02_E2using the relationship between the length and area of square units and the array structure to derive a formula for calculating the area of a rectangle from the lengths of its sides
  • AC9M6M02_E3solving problems involving the comparison of lengths and areas using appropriate units
  • AC9M6M02_E4investigating the connection between the perimeters of different rectangles with the same area and between the areas of rectangles with the same perimeter

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AC9M6M02 – establish the formula for the area of a rectangle and use it to solve practical problems | LessonForge