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Learning objects Area explorer

TLF ID M012001

This is an interactive resource about calculating the area of a shape presented on a grid. Students are presented with a random figure and are required to calculate its area, in square units. Immediate feedback is provided and the student can make repeated attempts if a question is not answered correctly. The additional features of the resource allow the shapes to be limited to rectangles, show an outline to serve as a hint in determining the area of a shape, and allow multiple users on different computers to work on the same problem.

Educational details

Educational value
  • This interactive resource is useful for the Australian Curriculum content description in mathematics and can contribute to students attaining those elements of the achievement standard in year 4 about comparing the areas of regular and irregular shapes using informal units.
  • The resource is useful for providing students with the opportunity to practise calculating the areas of shapes presented on a grid by counting squares. The resource quickly generates random shapes of different areas and perimeters, and illustrates that shapes of the same area can have different perimeters.
  • The activity automatically records how successfully the questions are answered. A score based on the number of attempts a student makes can be shown in a pop-up window.
  • The Learner tab, which can easily be accessed from the Activity screen, provides detailed and useful information about completing the activity effectively.
Year level


Learning area
  • Mathematics

Other details

  • Contributor
  • Name: Education Services Australia
  • Organization: Education Services Australia
  • Description: Data manager
  • Address: VIC, AUSTRALIA
  • URL:
  • Copyright Holder
  • Name: Shodor Education Foundation\, Inc.
  • Organization: Shodor Education Foundation\, Inc.
  • Address: UNITED STATES
  • URL:
  • Publisher
  • Name: Shodor Education Foundation\, Inc.
  • Organization: Shodor Education Foundation\, Inc.
  • Description: Publisher
  • Address: UNITED STATES
  • URL:
  • Resource metadata contributed by
  • Name: Education Services Australia Ltd
  • Organisation: Education Services Australia Ltd
  • Address: AUSTRALIA
  • URL:
Access profile
  • Unknown
Learning Resource Type
  • Interactive
  • © Shodor Education Foundation, Inc. This material is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0) licence