Compare the Cups

You'll need a collection of cups for this activity.
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

For this challenge, you will need lots of different cups. This picture shows some:

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Compare the Cups


Which might you choose if you wanted a lot to drink? Why?

Which one would you choose if you did not want a lot to drink? Why?

Can you arrange the cups in a line from the one that holds the most liquid to the one that holds the least liquid? 

How will you test whether you are right?