# Mobile phone plans: peak and off-peak

TLF ID L1108

Compare monthly call plans quoted by a phone company. Look at the effect of off-peak discounts. Use line graphs to work out the costs 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 and interpret graphs showing different relationships between specified variables.
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/Data analysis
• Mathematics/Data interpretation
• Mathematics/Coordinates
• Mathematics/Number relationships
• Mathematics/Money
• Mathematics/Pattern perception
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: XP - maximum version: 7
Rights
• © Education Services Australia Ltd, 2013, except where indicated under Acknowledgements.

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