Posted in combinations, Easter, Making totals, Money

Coin combinations

Buying an egg

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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?

What if…………..

……..Digit Dog bought something for 50p, 75p, Ā£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.

 

 

Posted in Christmas, combinations, Making totals, Money

Christmas challenge – Day 7

7p to spend – combinations of coins

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Digit Dog has bought a chocolate coin for 7p. He paid for it exactly, so which coins did he use?

How many different ways do you think he could do it? Convince me that you have found all the ways.

What is the least number of coins he could use? What is the most?

Which coins do you think he used? Which coins did he definitely not use? Why?

You might want to use your NumiconĀ® purse to help you. Which coins are you going to use?

 

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The chocolate coin cost 7p

 

What if…………..

……..Digit Dog bought something for 8p, 9p, 10p………..any amount you like?

…….he didn’t have the exact money but only had a 10p coin. How much change would he have? Which coins might he be given?

………you used larger amounts?

presentVary the amounts and the coins you can use.

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