Playing with Numbers
All these activities have something to do with multiplying and dividing. Can you spot the connections?
What can you find out by playing around with multiplying and dividing?
Highest and Lowest Stage: 2 Challenge Level: 
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Zios and Zepts Stage: 2 Challenge Level:
On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?
This Pied Piper of Hamelin Stage: 2 Challenge Level:
Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
Four Goodness Sake Stage: 2 Challenge Level:
Use 4 four times with simple operations so that you get the answer 12. Can you make 15, 16 and 17 too?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.