Prime Sequences
Age 16 to 18 Challenge Level:
This group tasks allows you to search for arithmetic progressions in the prime numbers. How many of the challenges will you discover for yourself?
Stats Statements
Age 16 to 18 Challenge Level:
Are these statistical statements sometimes, always or never true? Or it is impossible to say?
Integration Matcher
Age 16 to 18 Challenge Level:
Match the charts of these functions to the charts of their integrals.
Impossible Triangles?
Age 16 to 18 Challenge Level:
Which of these triangular jigsaws are impossible to finish?
Polynomial Interpolation
Age 16 to 18 Challenge Level:
Can you fit polynomials through these points?
What's a Group?
Age 16 to 18 Challenge Level:
Explore the properties of some groups such as: The set of all real numbers excluding -1 together with the operation x*y = xy + x + y. Find the identity and the inverse of the element x.
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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.