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Weekly Problem 14 - 2012

Weekly Problem 14 - 2012

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Ten Hidden Squares

These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?

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Cops and Robbers

Can you find a reliable strategy for choosing coordinates that will locate the robber in the minimum number of guesses?

Transformation Tease

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

After each transformation (translation, reflection or rotation), look at each point and ask yourself:

  • What has happened to the x coordinate?
  • What has happened to the y coordinate?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.