You may also like

problem icon

Five Coins

Ben has five coins in his pocket. How much money might he have?

problem icon

Christmas Shopping

Vera is shopping at a market with these coins in her purse. Which things could she give exactly the right amount for?

problem icon

Buying a Balloon

Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?

Weekly Problem 48 - 2009

Stage: 2 and 3 Short Challenge Level: Challenge Level:1

Dan has nine £$2$ coins and his sister Ann has eight £$5$ coins. What is the smallest number of coins that must change hands so that Dan and Ann end up with equal amounts of money?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.



This problem is taken from the UKMT Mathematical Challenges.

View the previous week's solution
View the current weekly problem