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3.MD.7 – Relate area to the operations of multiplication and addition.
3.MD.7.d – Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.
Samples: Calculating the Area of Irregular Shapes. Area of irregular shapes. Area of irregular shapes.
Using units of measurement
ACMMG137 – Solve problems involving the comparison of lengths and areas using appropriate units
Samples: Length - using decimals and matching equivalence. Length. Calculating distance in miles tutorial. Length and Money.
7.GM.3 – Use side or edge lengths to find the perimeters and areas of rectangles and parallelograms and the volumes of cuboids, given whole-number dimensions
Samples: Perimeter and Area. Calculating area using a grid. Calculating the Area of Irregular Shapes. Area.
KS2.Y5.M – Measurement
Pupils should be taught to:
KS2.Y5.M.3 – Measure and calculate the perimeter of composite rectilinear shapes in centimetres and metres
Samples: Calculating the Area of Irregular Shapes. Perimeter of Regular Shapes. Area of Squares and Rectangles.