Sensible Guessing
A sensible guess is a guess that you can back up with some information. Can you make some sensible guesses in these activities?
Clocks and Watches
Practise telling the time and solving problems involving time in these activities!
Insides and Outsides
Have a go at finding the perimeter and area of shapes in these challenges, which will ask you to measure the inside and the outside of different shapes.
Copyright © 1997 - 2018.
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.