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? 
Topics: Starter  Data Handling  Live Data  Statistics  Time
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.0 out of 5 based on 407 votes.
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?
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? 
Your access to the majority of the Transum resources continues to be free but you can help support the continued growth of the website by doing your Amazon shopping using the links on this page. Below is an Amazon search box and some items chosen and recommended by Transum Mathematics to get you started.
Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
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:
Alternatively the level of air pollution in cities around the world might make a good topic for investigation. Data showing the AQI (Air Quality Index) is available at AQIcn.org.