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# Working it out!

TLF ID L167

See how small a cubic centimetre looks when compared with a cubic metre (100 cm x 100 cm x 100 cm). Then estimate the volume of cuboids, such as a packet of food and a tool box. Rotate a 3D grid to help you work out dimensions in centimetres. First work out the area of the base. Then multiply your answer by the height to get the volume. Use a 3D animation of each estimate to improve your answer. Fill in data tables by working out progressive totals of length, width, height and volume (up to one cubic metre). This learning object is one in a series of five objects.

Tags: naiu

#### Educational details

Key learning objectives
• Students use the strategy of guess, check and improve to estimate the volume of irregular everyday objects.
• Students apply the formula, area of base x height, to calculate the volume of everyday objects.
• Students complete data tables concerning the volume of everyday objects.
Educational value
• This resource is useful for the Australian Curriculum content description in year 8 mathematics about using a formula to find the volume of rectangular prisms with formal units.
• It may also be relevant in supporting students in year 9 to develop the formula for volumes of rectangular prisms .
Year level

6; 8; 9

Learning area
• mathematics
Strand
• Mathematics/Measurement and geometry
Concept
• Mathematics/Estimating (Mathematics)

#### Other details

Contributors
• Technical implementer
• Subject matter expert
• Publisher
• Date of contribution: 27 May 2014
• Organisation: Education Services Australia
• Address: Melbourne VIC 3000 Australia
• URL: http://www.esa.edu.au/
Access profile
• Colour independence
• Device independence
• Hearing independence
• Generic
Learning resource type
• Interactive Resource
Browsers
• Microsoft Internet Explorer - minimum version: 8.0 (MS-Windows) - maximum version: 9.0 (MS-Windows)
• Firefox - minimum version: (MS-Windows)
• Safari - minimum version: 5.1 (MacOS)
Operating systems
• MacOS - minimum version: 10.6
• MS-Windows - minimum version: XP - maximum version: 7
Rights
• © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.