Routes and Networks - July 2004, Stage 1&2

Problems

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Queue

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

25 students are queuing in a straight line. How many are there between Julia and Jenny?

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The Tall Tower

Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

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Here to There 1 2 3

Stage: 1 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?

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Paw Prints

Stage: 2 Challenge Level: Challenge Level:1

A dog is looking for a good place to bury his bone. Can you work out where he started and ended in each case? What possible routes could he have taken?

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A Numbered Route

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

Can you draw a continuous line through 16 numbers on this grid so that the total of the numbers you pass through is as high as possible?

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Hamilton's Puzzle

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

I start my journey in Rio de Janeiro and visit all the cities as Hamilton described, passing through Canberra before Madrid, and then returning to Rio. What route could I have taken?