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The Scot, John Napier, invented these strips (originally made
from bone) about 400 years ago to help calculate multiplication and
This is what they looked like:
Can you work out how to use Napier's bones to find the answer to
24 x 6?
How about 461 x 4?
Now try 8931 x 6.
Can you work out how you would use them to calculate the product
of 3541 and 768?