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

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