Straight-line graphs.

Inside Maths builds on the success of the series Maths 4 Real.Dave thinks he has a fantastic deal on his mobile phone: £20 per month with 1000 texts and 600 minutes of talk time. But he did have to pay for the phone? Fran thinks maybe an 18-month contract at £35 per month would have been better.As D...

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Bibliographic Details
Corporate Author: Brook Lapping Productions (Producer)
Format: Electronic Video
Language:English
Published: [London] : Teachers TV/UK Department of Education, 2009.
Series:Inside maths ; 5
Subjects:
Online Access:CONNECT

MARC

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520 |a Inside Maths builds on the success of the series Maths 4 Real.Dave thinks he has a fantastic deal on his mobile phone: £20 per month with 1000 texts and 600 minutes of talk time. But he did have to pay for the phone? Fran thinks maybe an 18-month contract at £35 per month would have been better.As Dave heads off to find out what some students think, Fran, using vivid graphics, gives an overview of straight-line graphs and plots a graph for the pay-as-you-go deal.Dave and the students quickly work out that over 18 months the pay-as-you-go deal is cheaper than the contract, but what happens when you factor in 5p a day every time you use the internet?Again, Fran uses straight-line graphs and their gradients to see how many days a month Dave can use the internet on his phone and still be better off. 
530 |a Previously released as DVD. 
533 |a Electronic reproduction.  |b Alexandria, VA :  |c Alexander Street Press,  |d 2012.  |f (VAST: Academic Video Online).  |n Available via World Wide Web. 
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