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Would you rather...
Be given $60 \%$ of $2$ pizzas or $26 \%$ of $5$ pizzas?
Have $10 \%$ of $ £5$ or $75 \%$ of $80$p?
Be bitten by $15 \%$ of $120$ mosquitoes or $8 \%$ of $250$ mosquitoes?
Skip using a rope which is $54 \%$ of $105$cm long, or $88 \%$ of $2.75$m long?
Sit in a traffic jam for $33 \%$ of $2$ hours or $44 \%$ of $1$hr $40$mins?
Make sure you explain your reasons clearly.
Perhaps you'd like to make up some of your own questions like these and send them to us.
Having given them a suitable length of time to work on the problems, bring everyone together. You could take a vote on each one to start with and then ask one group to explain how they came to that conclusion. Invite other groups to contribute different ways of working out the solution as well so that a range of methods are discussed.
You could then ask each group to make up their own question in a similar style which they could write on the blank card. These could then be swapped. Of course the group which poses the problem must have also worked out the solution!
Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?
There are six numbers written in five different scripts. Can you sort out which is which?
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.