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'Pouring the Punch Drink' printed from https://nrich.maths.org/
Why do this
problem?
This problem requires perseverance and logical thinking.
Learners may find it useful to use counters or other equipment and
to develop a recording system.
Key questions
How much do you have left in the 9 litre jug if you fill the 7
litre jug? ... the 4 litre jug? ...the 2
litre jug?
How will you remember what you have tried?
Possible extension
Learners could try the
Jugs of Wine problem.
Possible support
Using counters or other equipment to represent litres might help
some children.