Area (including circles and composite shapes)

Calculate the area of rectangles, triangles, parallelograms, trapeziums, circles, and composite shapes using appropriate formulas.

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Te reo Māori terms

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Learning objective overview

Master Teaching Guide coverage for this objective.

Resources

Terminology

  • area
  • rectangle
  • triangle
  • parallelogram
  • trapezium
  • circle
  • radius
  • diameter
  • composite shape
  • formula

Task goals

  • Select and apply the correct area formula for rectangles, triangles, parallelograms, trapeziums, and circles.
  • Calculate the area of composite shapes by breaking them down into simpler shapes.
  • Use the relationship between radius and diameter when calculating circle area.
  • Estimate and compare areas of different shapes.

Key skills

  • Area rectangle
  • Area triangle
  • Area parallelogram
  • Area trapezium
  • Area circle
  • Area composite shapes
  • Radius diameter relationship

Quick stats

  • 81 total questions
  • 3 difficulty levels
  • Answers included