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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?
Factors and Multiples Puzzle
Using your knowledge of the properties of numbers, can you fill all the squares on the board?
Age 11 to 14
Challenge Level
Look carefully at the sum below:
[3(230 + A)] 2 = 492 80A
What is the value of the digit A and HOW did you arrive at your answer?
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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.