# Mobile phone plans: find the best deal 3

TLF ID L1107

Help three customers compare monthly call costs quoted by three different phone companies: Dialo, Airplay and Jump. Use line graphs to work out the same company and standard rates for talk time, text messages, photos and total costs. Recommend the best plan. This learning object is one in a series of six objects.

#### Educational details

Key learning objectives
• Students construct and interpret line graphs.
• Students calculate costs from cost-time graphs.
Educational value
• Provides data tables for students to complete by interpreting textual descriptions of mobile phone call and text message costs.
• Presents graphs to help students determine monthly costs for different mobile phone plans.
• Allows students to compare the cost effectiveness of different mobile phone plans.
• Collates data tables automatically, using student-entered information from the graphs, and offers scaffolded feedback as necessary.
Year level

8; 9

Learning area
• mathematics
Strand
• Mathematics/Number and algebra
Concept
• Mathematics/Lines
• Mathematics/Variables
• Mathematics/Graphs
• Mathematics/Number relationships
• Mathematics/Money
• Mathematics/Data analysis
• Mathematics/Data interpretation
• Mathematics/Coordinates
• Mathematics/Time
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: Rod Rees
• Organisation: Rees Films Pty Ltd
• Subject matter expert
• Name: Howard Reeves
• Publisher
• Date of contribution: 20 Sep 2013
• Organisation: Education Services Australia
• Address: Melbourne VIC 3000 Australia
• URL: http://www.esa.edu.au/
Access profile
• Colour independence
• 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: x - maximum version: 7
Rights
• © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.

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