Calculating with Napier’s Bones
One of the children found a make-your-own guide for Napier’s Bones in Aquila Magazine so a small team set to work to make some.
John Napier shown in a feature in Aquila Magazine
They set to work on filling in the times tables
Producing a colourful set of Napier’s Bones or Rods
How to use the rods
Now for some test calculations
Explaining Napier’s Rods to the class – with the right answer for 9 x 123