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#### Resources tagged with PM - Working Systematically similar to Sorted:

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### There are 7 results

Broad Topics > Secondary processes > PM - Working Systematically

### Sorted

##### Stage: 5 Challenge Level:

How can you quickly sort a suit of cards in order from Ace to King?

### Stage 5 Cipher Challenge

##### Stage: 5 Challenge Level:

Can you crack these very difficult challenge ciphers? How might you systematise the cracking of unknown ciphers?

##### Stage: 5 Challenge Level:

Can you set the logic gates so that this machine can decide how many bulbs have been switched on?

### Ante Up

##### Stage: 5 Challenge Level:

Use cunning to work out a strategy to win this game.

### A Long Time at the Till

##### Stage: 4 and 5 Challenge Level:

Try to solve this very difficult problem and then study our two suggested solutions. How would you use your knowledge to try to solve variants on the original problem?

### What's Possible?

##### Stage: 4 Challenge Level:

Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?

### Charlie's Delightful Machine

##### Stage: 3 and 4 Challenge Level:

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?