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.
The table is split up into the nine columns. Here is how they're
For example, let's calculate 32 x 7
Lay out the two strips showing 3 and 2 at the top like this:
To multiply this number by 7, add the numbers along the
of the seventh line, starting at the
So the answer is 224
Here's another example, this time we are multiplying 746 by 6.
Click on Napier to start the demo.