2 out of 3
Four friends must cross a bridge. How can they all cross it in just 17 minutes?
3 out of 3
What will happen when you switch on these circular circuits?
1 out of 3
If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.
1 out of 3
In this game, try not to colour two adjacent regions the same colour. Can you work out a strategy?
1 out of 3
The flow chart requires two numbers, M and N. Select several values for M and try to establish what the flow chart does.
3 out of 3
A man has 5 coins in his pocket. Given the clues, can you work out what the coins are?
1 out of 3
2 out of 3
Prove that you can make any type of logic gate using just NAND gates.
1 out of 3
Can you think like a computer and work out what this flow diagram does?
1 out of 3
Have a go at being mathematically negative, by negating these statements.
