These two group activities use mathematical reasoning - one is
numerical, one geometric.
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
You can find out more about
constructing magic squares and finding different transformations
(re-arrangements that preserve the magic properties) in these two
articles Magic Squares and Magic Squares II