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Spinners: spin and label

TLF ID L2379

Race two cars along a track. Use a coloured spinner (a dial with a pointer) to determine which car moves along the track. Try to achieve a given race result by choosing a spinner with a suitable combination of coloured sectors. For example, give a red car the best chance of winning by selecting a favourable spinner. Test the spinner over a number of spins. Compare the actual results with the expected results. Does a fair spinner result in all cars winning equally often? Is the colour with the largest sector on the spinner landed on most often? This learning object is one in a series of six objects.

Educational details

Key learning objectives
• Students differentiate between equal and unequal likelihood.
• Students explore the relationship between sample space and likelihood of outcomes.
• Students interpret data in tables and graphs.
• Students apply 'likelihood language' to compare and describe chance situations.
• Students use proportional thinking to predict and compare the outcomes of random generators.
Educational value
• Students compare theoretical outcomes and actual results.
• Provides area-based random generators to test probability predictions.
• Experimental results are dynamically displayed as data tables and frequency graphs showing progress in a car race.
• Includes scenarios with equal or unequal probabilities.
Year level

3

Learning area
• mathematics
Strand
• Mathematics/Statistics and probability
Concept
• Mathematics/Probability
• Mathematics/Random events
• Mathematics/Sampling
• Mathematics/Statistics
• Mathematics/Guess-Check-Improve
• Mathematics/Experiments
Skill
• Analysis;
• Application;
• Comprehension;
• Knowledge
Student activity
• Interactives;
• Experiment;
• Analysis;
• Modelling;
• Data manipulation and interpretation;
• Estimation
Learning design
• Experiential learning;
• Independent learning;
• Problem solving;
• Visual learning

Other details

Contributors
• Technical implementer
• Script writer
• Name: Michael Wagner
• Organisation: Godwin + Wagner
• Address: Box Hill South VIC 3128 Australia
• Subject matter expert
• Name: Jenni Way
• Address: Springwood NSW 2777 Australia
• Educational validator
• Name: Graham Jones
• Publisher
• Date of contribution: 20 Sep 2013
• Organisation: Education Services Australia
• Address: Melbourne VIC 3000 Australia
• URL: http://www.esa.edu.au/
Access profile
• Device independence
• Hearing independence
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.