You may also like
Times
Which times on a digital clock have a line of symmetry? Which look the same upside-down? You might like to try this investigation and find out!
Clock Hands
This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.
A Child Is Full of ...
My cousin was 24 years old on Friday April 5th in 1974. On what day of the week was she born?
Age 7 to 11
Challenge Level
You could use a real or model clock and count.
Think how many $5$ minutes are there between the first and tenth bottles falling.
Think how many $5$ minutes are there between the first and tenth bottles falling.
Copyright © 1997 - 2023. University of Cambridge.
All rights reserved.
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.