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Worms
Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?
Which Scripts?
There are six numbers written in five different scripts. Can you sort out which is which?
Highest and Lowest
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
Age 7 to 11 Challenge Level:
Can you put the numbers from $1$ to $15$ on the circles so that no consecutive numbers lie anywhere along a continuous straight line?
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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.