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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
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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.