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Watch the Clock

Age 7 to 11
Challenge Level Yellow starYellow starYellow star
Primary curriculum
  • Problem
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During the third hour after midnight the hands on a clock pointed in the same direction (so one hand was over the top of the other).

At what time, to the nearest second, did this happen?



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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.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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