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.
Here you see the front and back views of a dodecahedron which is
a solid made up of pentagonal faces.
Using twenty of the numbers from $1$ to $25$, each vertex has
been numbered so that the numbers around each pentagonal face add
up to $65$.
The number F is the number of faces of the solid.
Can you find all the missing numbers?
You might like to make a dodecahedron and write the numbers at