Stage: 2 Challenge Level: 
Can you complete these grids?
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Practical Activity. Mental addition & subtraction. Compound transformations. Interactivities. Visualising. Games. Geometric sequence. Tangram. Mental multiplication & division. Arithmetic sequence.
Published July 2003,August 2003.
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
