Stage: 2 Challenge Level: 
Three white rabbits where hopping down a narrow path and three grey rabbits were hopping up the same narrow path.
The only way they could pass is by jumping over each other, one at a time.
What is the smallest number of jumps needed before all the rabbits can continue along their path?
Addition & subtraction. Interactivities. Multiplication & division. Combinations. Games. Practical Activity. Working systematically. Visualising. Investigations. Factors and multiples.
Published April 1999.
Copyright © 2007. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project, which also includes the Plus and Motivate sites.
email: nrich@damtp.cam.ac.uk
