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Outline

  1. Area of shapes
    1. Area of a Triangle - Investigation
    2. Area dissection of a parallelogram
    3. Areas of Parallelograms
    4. Discovering the Area of a Trapezium
    5. Area of Trapezium Practice

Area of shapes

Author:Paul Firth
Topic:Area
Areas of triangles, parallelograms and trapezia

  • Area of a Triangle - Investigation

  • Area dissection of a parallelogram

  • Areas of Parallelograms

  • Discovering the Area of a Trapezium

  • Area of Trapezium Practice

Next
Area of a Triangle - Investigation

New Resources

  • Building Parallelograms with Set Areas
  • Superellipse
  • Perimeter of Rectangle
  • Conway Circle Theorem
  • רישום חופשי

Discover Resources

  • Hinge Theorem
  • Euler simulation for slinky
  • คิดเลขเร็ว
  • Another example with a different array.
  • Trig Ratios

Discover Topics

  • Percentages
  • Geometric Transformations
  • Logic
  • Upper and Lower Sum or Riemann Sum
  • Arithmetic Mean
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