Buying an egg
Digit Dog has bought a chocolate egg for 50p. He paid for it using silver coins. Which coins do you think he used? Which coins did he definitely not use? Why?
How many different ways do you think he could pay? Convince me that you have found all the different ways. Explain your thinking.
What is the least number of coins he could use? What is the most?
……..Digit Dog bought something for 50p, 75p, £1……..any amount you like?
……..he could use any coins? How many ways to pay would there be then?
Make up some questions like this for your friends.