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Time of Birth
A woman was born in a year that was a square number, lived a square number of years and died in a year that was also a square number. When was she born?
Square Routes
How many four digit square numbers are composed of even numerals? What four digit square numbers can be reversed and become the square of another number?
Age 11 to 14
Challenge Level
Are there any numbers which can only link to one other
number?
Where will you need to place these in your list?
Where will you need to place these in your list?
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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.