He labelled each bag with the number of coins inside it.
He could then pay any sum of money from 1 coin to 15 coins using one or more of the bags without opening any of the bags.
How many coins did he put in each bag?
Click here to download the MONEY BAGS Teacher Notes
Click here to download the MONEY BAGS worksheet.
This problem is based on Money Bags from ‘Mathematical Challenges for Able Pupils published by UK DfES. You can download a copy here.