Precious water worth the walk

  1. If Australia's population is 18,000,000, how many litres of water does the country use per day? Per year?
  2. How may times do you flush the toilet each day? How much water does this use per day? Per week? Per year?
  3. Think up some other questions for your classmates based on the data in this article.
  4. Devise a survey to find out how much water your class uses per week. Carry it out, record and present the results.

Where to next?

Newspaper article
Index - Related articles
Index - Data Collection and Sampling
Index - Data Representation
Index - Chance and Basic Probability
Index - Data Reduction
Index - Inference
Main Index - Numeracy in the News