Talk Phones, Talk Maths • Who has a mobile phone? • Do you need a mobile phone? • When do you use the mobile phone? • Do you text? • Who pays for it?
Kevin’s Phone Kevin has a ‘pay as you go’ mobile phone. He buys a £10 voucher. • He makes 20 text messages at 10p per message. • He uses his phone for 30 minutes off-peak at 10p per minute. • He uses his phone for 10 minutes peak rate at 30p per minute. • How much money is left on the voucher?
Talk Phones, Talk Maths • Who will pay for the phone when you leave school? • Will this affect the way you use the mobile phone? • Will you always have a mobile phone? • Does your phone give good value for money? • Are all the calls/texts you make necessary?
Talk Phones, Talk Maths Issues to consider • Are they safe to use? • Are there health issues surrounding mobile phone masts? • How can security be improved? • Are the school rules about mobile phones fair?
Vocabulary Corner • Off-peak/peak time • Voucher • Text message • Pin code • Pay as you go/contract phone • Balance • Network • VAT