You may also like
Hand Span
Use your hand span to measure the distance around a tree trunk. If you ask a friend to try the same thing, how do the answers compare?
Measure for Measure
This article, written for students, looks at how some measuring units and devices were developed.
Age 5 to 7 Challenge Level:
The first boy boy is trying to find out how tall he is. I think he is finding it hard.
In the second picture the little boy is trying a different way, but still finding it hard.
In the second picture the little boy is trying a different way, but still finding it hard.
This girl is being measured in a different way and the others are discussing how good that way is for finding her height.
What things (in the pictures) might they be finding hard?
Can you find a better way to find out the height of a friend?
What will you use? Try it and see how tall they are.
Can you give answers in m as well as cm ?
Photograph Acknowledgements
inside.akronchildren.org
news.usc.edu
micheletaras.com
inside.akronchildren.org
news.usc.edu
micheletaras.com
Copyright © 1997 - 2020. 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.