BirminghamEngland BangkokThailand BostonMA, USA BrisbaneAustralia
 1. Which city is currently the warmest? 3. What is the range of temperatures? 5. What is the time difference between Birmingham and Bangkok. 7. It takes 11 hours to fly from Bangkok to Birmingham. If you take off at midday from Bangkok, what time will you arrive in Birmingham (local time)? 2. What is the mean (average) temperature of these four cities? 4. Estimate the temperatures inside and outside your classroom right now. 6. What will be the time in Boston when it is half past midnight in Brisbane? 8. Can you guess which two cities in the world have the biggest time difference?

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Data Handling | Live Data | Statistics | Time

• M Darwin, The McAuley Catholic High School
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• Live data the numbers change too quickly even though they repeat, it would be better if they were on longer - about 8 to 10 seconds.
• F. Ricciardi, The Charter School, South London
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• I agree numbers change a too quickly. Not even enough time for them to jot them down before they change. Great idea though!!
• Colin MacKay., Carnoustie High School.
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• This was fun, challenging, confusing, and a good mixture of questions, and just as well it was a 24hour clock.
• Daisy And Conner, Scotland
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• Bonjour We loved this Maths Starter YOU ROCK TRANSUM.
• Ole And Daisy, Year 6, Beckley School
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• We think Las Vegas and Delhi have the biggest time gap.
• 6PJ, Epsom
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• Please lengthen the time the temperatures/times are displayed before they change.
• Mr T, Kent, UK
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• Is anyone going to do anything about the numbers changing so quickly.
Surely it can't be that difficult.
Questions are brilliant, thanks.
• Transum,
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• For all those who mentioned that the numbers change a too quickly there is now an alternative version of this starter available. Click on the button under the starter above to see the alternative version.
• Peter,
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• I think the USA and the Middle East has the largest time differences.
• 6r, Lacey Gardens
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• Nairobi
St Petersburgh.
• 5R, Cavendish Close Juniors
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• Auckland, New Zealand and Vancouver, Canada.

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Previous Day | This starter is for 27 March | Next Day

The temperature and times given are current (live) data so we are unable to provide answers to all of the questions.

 1. Which city is currently the warmest? Probably Bangkok but it depends on the current conditions. 3. What is the range of temperatures? Take the coldest temperature from the warmest. 5. What is the time difference between Birmingham and Bangkok?. Seven hours in the winter and six hours in the summer (daylight saving time) 7. It takes 11 hours to fly from Bangkok to Birmingham. If you take off at midday from Bangkok, what time will you arrive in Birmingham (local time)? 4pm. Though there is currently no direct flight from Bangkok to Birmingham! 2. What is the mean (average) temperature of these four cities? Add up the temperatures then divide by four. 4. Estimate the temperatures inside and outside your classroom right now. The inside temperature is probably about 23o C (if you are feeling comfortable). 6. What will be the time in Boston when it is half past midnight in Brisbane? 09:30 though this might be affected at different times of the year by daylight saving time. Does anyone know? 8. Can you guess which two cities in the world have the biggest time difference? Depending on the definition of a city! Let us know what you think here.

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 Teacher, do your students have access to computers?Do they have iPads or Laptops in Lessons? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Transum.org/go/?Start=March27

Here is the URL which will take them to a related student activity.

Transum.org/go/?to=Temperature

There are now extensive weather records for recent years available on the Internet. Students could find this data, organise it, apply their knowledge of probability and produce their own weather forecast for the next week.

Here are some examples of the data that can be easily used in students' projects:

For Students:

For All: