You may also like

Measure for Measure

This article, written for students, looks at how some measuring units and devices were developed.

Seesaw Shenanigans

Age 3 to 7
Challenge Level

Choose an animal. What do you think will happen when you put that animal on one side of the seesaw? Why? Try it!
Were you right?

Choose another animal to put on the other side of the seesaw. What do you think will happen? Why? Try it!

Can you describe what happened? Why do you think that happened?

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.
Copyright © 1997 - 2023. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.