The discs for this game are kept in a flat square box with a square hole for each disc. Use the information to find out how many discs of each colour there are in the box.
Stage: 2 Challenge Level:
Here are the distances (as the crow flies) in km from London to various cities in the world.
Abu Dhabi 5480 Barcelona 1139 Cape Town 9680
Delhi 6718 Edmonton 6805 Florence 1209
Gothenburg 1039 Houston 7812 Istanbul 2501
Jerusalem 3611 Karachi 6314 Lauceston 17425
If someone took you the first 1000 km how much further would you have to go for each of the 12 journeys?
Maybe you could now create some similar questions of your own.
What if you started at Copenhagen then went to London, which is about 1000 km away and did that each time for all of the journeys shown above. How far would you have travelled for each of the 12 journeys?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities
can be found here.